mirror of
https://github.com/abseil/abseil-cpp.git
synced 2026-06-04 12:07:05 +08:00
f0a99676ff
Printing as pointers is more relevant to the result of the comparison. PiperOrigin-RevId: 824656335 Change-Id: I3b586e633c1271c1728c961193db106e4f4e5a8b
1036 lines
32 KiB
C++
1036 lines
32 KiB
C++
//
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// Copyright 2022 The Abseil Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// SKIP_ABSL_INLINE_NAMESPACE_CHECK
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#ifndef ABSL_LOG_CHECK_TEST_IMPL_H_
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#define ABSL_LOG_CHECK_TEST_IMPL_H_
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// Verify that both sets of macros behave identically by parameterizing the
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// entire test file.
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#ifndef ABSL_TEST_CHECK
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#error ABSL_TEST_CHECK must be defined for these tests to work.
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#endif
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#include <cstdint>
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#include <limits>
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#include <ostream>
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#include <string>
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include "absl/base/attributes.h"
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#include "absl/base/config.h"
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#include "absl/log/internal/test_helpers.h"
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#include "absl/status/status.h"
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#include "absl/strings/string_view.h"
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#include "absl/strings/substitute.h"
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// NOLINTBEGIN(misc-definitions-in-headers)
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namespace absl_log_internal {
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using ::testing::AllOf;
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using ::testing::AnyOf;
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using ::testing::ContainsRegex;
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using ::testing::HasSubstr;
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using ::testing::Not;
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auto* test_env ABSL_ATTRIBUTE_UNUSED = ::testing::AddGlobalTestEnvironment(
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new absl::log_internal::LogTestEnvironment);
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#if GTEST_HAS_DEATH_TEST
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TEST(CHECKDeathTest, TestBasicValues) {
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ABSL_TEST_CHECK(true);
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EXPECT_DEATH(ABSL_TEST_CHECK(false), "Check failed: false");
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int i = 2;
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ABSL_TEST_CHECK(i != 3); // NOLINT
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}
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#endif // GTEST_HAS_DEATH_TEST
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TEST(CHECKTest, TestLogicExpressions) {
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int i = 5;
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ABSL_TEST_CHECK(i > 0 && i < 10);
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ABSL_TEST_CHECK(i < 0 || i > 3);
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}
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ABSL_CONST_INIT const auto global_var_check = [](int i) {
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ABSL_TEST_CHECK(i > 0); // NOLINT
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return i + 1;
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}(3);
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ABSL_CONST_INIT const auto global_var = [](int i) {
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ABSL_TEST_CHECK_GE(i, 0); // NOLINT
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return i + 1;
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}(global_var_check);
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TEST(CHECKTest, TestPlacementsInCompoundStatements) {
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// check placement inside if/else clauses
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if (true) ABSL_TEST_CHECK(true);
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if (false)
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; // NOLINT
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else
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ABSL_TEST_CHECK(true);
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switch (0)
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case 0:
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ABSL_TEST_CHECK(true); // NOLINT
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constexpr auto var = [](int i) {
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ABSL_TEST_CHECK(i > 0); // NOLINT
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return i + 1;
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}(global_var);
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(void)var;
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}
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TEST(CHECKTest, TestBoolConvertible) {
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struct Tester {
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} tester;
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ABSL_TEST_CHECK([&]() { return &tester; }());
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}
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#if GTEST_HAS_DEATH_TEST
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TEST(CHECKDeathTest, TestChecksWithSideEffects) {
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int var = 0;
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ABSL_TEST_CHECK([&var]() {
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++var;
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return true;
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}());
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EXPECT_EQ(var, 1);
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EXPECT_DEATH(ABSL_TEST_CHECK([&var]() {
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++var;
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return false;
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}()) << var,
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"Check failed: .* 2");
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}
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#endif // GTEST_HAS_DEATH_TEST
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template <int a, int b>
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constexpr int sum() {
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return a + b;
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}
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#define MACRO_ONE 1
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#define TEMPLATE_SUM(a, b) sum<a, b>()
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#define CONCAT(a, b) a b
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#define IDENTITY(x) x
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TEST(CHECKTest, TestPassingMacroExpansion) {
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ABSL_TEST_CHECK(IDENTITY(true));
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ABSL_TEST_CHECK_EQ(TEMPLATE_SUM(MACRO_ONE, 2), 3);
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ABSL_TEST_CHECK_STREQ(CONCAT("x", "y"), "xy");
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}
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#if GTEST_HAS_DEATH_TEST
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TEST(CHECKTest, TestMacroExpansionInMessage) {
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auto MessageGen = []() { ABSL_TEST_CHECK(IDENTITY(false)); };
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EXPECT_DEATH(MessageGen(), HasSubstr("IDENTITY(false)"));
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}
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TEST(CHECKTest, TestNestedMacroExpansionInMessage) {
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EXPECT_DEATH(ABSL_TEST_CHECK(IDENTITY(false)), HasSubstr("IDENTITY(false)"));
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}
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TEST(CHECKTest, TestMacroExpansionCompare) {
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(IDENTITY(false), IDENTITY(true)),
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HasSubstr("IDENTITY(false) == IDENTITY(true)"));
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EXPECT_DEATH(ABSL_TEST_CHECK_GT(IDENTITY(1), IDENTITY(2)),
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HasSubstr("IDENTITY(1) > IDENTITY(2)"));
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}
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TEST(CHECKTest, TestMacroExpansionStrCompare) {
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EXPECT_DEATH(ABSL_TEST_CHECK_STREQ(IDENTITY("x"), IDENTITY("y")),
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HasSubstr("IDENTITY(\"x\") == IDENTITY(\"y\")"));
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EXPECT_DEATH(ABSL_TEST_CHECK_STRCASENE(IDENTITY("a"), IDENTITY("A")),
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HasSubstr("IDENTITY(\"a\") != IDENTITY(\"A\")"));
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}
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TEST(CHECKTest, TestMacroExpansionStatus) {
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EXPECT_DEATH(
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ABSL_TEST_CHECK_OK(IDENTITY(absl::FailedPreconditionError("message"))),
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HasSubstr("IDENTITY(absl::FailedPreconditionError(\"message\"))"));
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}
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TEST(CHECKTest, TestMacroExpansionComma) {
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EXPECT_DEATH(ABSL_TEST_CHECK(TEMPLATE_SUM(MACRO_ONE, 2) == 4),
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HasSubstr("TEMPLATE_SUM(MACRO_ONE, 2) == 4"));
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}
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TEST(CHECKTest, TestMacroExpansionCommaCompare) {
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EXPECT_DEATH(
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ABSL_TEST_CHECK_EQ(TEMPLATE_SUM(2, MACRO_ONE), TEMPLATE_SUM(3, 2)),
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HasSubstr("TEMPLATE_SUM(2, MACRO_ONE) == TEMPLATE_SUM(3, 2)"));
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EXPECT_DEATH(
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ABSL_TEST_CHECK_GT(TEMPLATE_SUM(2, MACRO_ONE), TEMPLATE_SUM(3, 2)),
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HasSubstr("TEMPLATE_SUM(2, MACRO_ONE) > TEMPLATE_SUM(3, 2)"));
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}
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TEST(CHECKTest, TestMacroExpansionCommaStrCompare) {
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EXPECT_DEATH(ABSL_TEST_CHECK_STREQ(CONCAT("x", "y"), "z"),
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HasSubstr("CONCAT(\"x\", \"y\") == \"z\""));
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EXPECT_DEATH(ABSL_TEST_CHECK_STRNE(CONCAT("x", "y"), "xy"),
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HasSubstr("CONCAT(\"x\", \"y\") != \"xy\""));
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}
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#endif // GTEST_HAS_DEATH_TEST
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#undef TEMPLATE_SUM
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#undef CONCAT
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#undef MACRO
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#undef ONE
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#if GTEST_HAS_DEATH_TEST
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TEST(CHECKDeachTest, TestOrderOfInvocationsBetweenCheckAndMessage) {
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int counter = 0;
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auto GetStr = [&counter]() -> std::string {
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return counter++ == 0 ? "" : "non-empty";
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};
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EXPECT_DEATH(ABSL_TEST_CHECK(!GetStr().empty()) << GetStr(),
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HasSubstr("non-empty"));
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}
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TEST(CHECKTest, TestSecondaryFailure) {
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auto FailingRoutine = []() {
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ABSL_TEST_CHECK(false) << "Secondary";
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return false;
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};
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EXPECT_DEATH(ABSL_TEST_CHECK(FailingRoutine()) << "Primary",
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AllOf(HasSubstr("Secondary"), Not(HasSubstr("Primary"))));
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}
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TEST(CHECKTest, TestSecondaryFailureInMessage) {
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auto MessageGen = []() {
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ABSL_TEST_CHECK(false) << "Secondary";
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return "Primary";
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};
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EXPECT_DEATH(ABSL_TEST_CHECK(false) << MessageGen(),
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AllOf(HasSubstr("Secondary"), Not(HasSubstr("Primary"))));
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}
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#endif // GTEST_HAS_DEATH_TEST
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TEST(CHECKTest, TestBinaryChecksWithPrimitives) {
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ABSL_TEST_CHECK_EQ(1, 1);
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ABSL_TEST_CHECK_NE(1, 2);
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ABSL_TEST_CHECK_GE(1, 1);
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ABSL_TEST_CHECK_GE(2, 1);
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ABSL_TEST_CHECK_LE(1, 1);
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ABSL_TEST_CHECK_LE(1, 2);
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ABSL_TEST_CHECK_GT(2, 1);
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ABSL_TEST_CHECK_LT(1, 2);
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}
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TEST(CHECKTest, TestBinaryChecksWithStringComparison) {
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const std::string a = "a";
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ABSL_TEST_CHECK_EQ(a, "a");
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ABSL_TEST_CHECK_NE(a, "b");
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ABSL_TEST_CHECK_GE(a, a);
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ABSL_TEST_CHECK_GE("b", a);
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ABSL_TEST_CHECK_LE(a, "a");
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ABSL_TEST_CHECK_LE(a, "b");
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ABSL_TEST_CHECK_GT("b", a);
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ABSL_TEST_CHECK_LT(a, "b");
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}
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TEST(CHECKDeathTest, CheckWithCharStarAndStringPrintsTheCharStar) {
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std::string str = "B";
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// When the comparison happens as strings, then we print the CharT* as a
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// string.
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ("A", str),
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R"re(Check failed: \"A\" == str \(A vs. B\))re");
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}
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#if defined(GTEST_USES_SIMPLE_RE) && GTEST_USES_SIMPLE_RE
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#define POINTER_VALUE_RE R"re(\w*)re"
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#else
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#define POINTER_VALUE_RE R"re((0x)*[0-9a-fA-F]*)re"
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#endif
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#define POINTER_VS_POINTER_RE(lhs, rhs) "\\(" lhs " vs. " rhs "\\)"
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template <typename CharT>
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void TestCharStarComparison() {
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// When the comparison happens as pointers, we only print the pointer and not
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// interpret it as a C-String because it might not be.
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// Leave the CharTs uninitialized to trigger ASan/MSan failures if we actually
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// read the pointers.
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CharT* p1 = new CharT;
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CharT* p2 = new CharT;
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(p1, p2),
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R"re(Check failed: p1 == p2 )re" POINTER_VS_POINTER_RE(
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POINTER_VALUE_RE, POINTER_VALUE_RE));
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CharT as_array[10];
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(p1, as_array),
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R"re(Check failed: p1 == as_array )re" POINTER_VS_POINTER_RE(
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POINTER_VALUE_RE, POINTER_VALUE_RE));
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const void* as_void = as_array;
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(as_void, p2),
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R"re(Check failed: as_void == p2 )re" POINTER_VS_POINTER_RE(
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POINTER_VALUE_RE, POINTER_VALUE_RE));
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delete p1;
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delete p2;
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}
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TEST(CHECKDeathTest, CheckWithCharStarStringification) {
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TestCharStarComparison<char>();
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TestCharStarComparison<signed char>();
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TestCharStarComparison<unsigned char>();
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TestCharStarComparison<wchar_t>();
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#if defined(__cpp_char8_t)
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TestCharStarComparison<char8_t>();
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#endif
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TestCharStarComparison<char16_t>();
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TestCharStarComparison<char32_t>();
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}
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// For testing using CHECK*() on anonymous enums.
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enum { CASE_A, CASE_B };
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TEST(CHECKTest, TestBinaryChecksWithEnumValues) {
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// Tests using CHECK*() on anonymous enums.
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ABSL_TEST_CHECK_EQ(CASE_A, CASE_A);
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ABSL_TEST_CHECK_NE(CASE_A, CASE_B);
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ABSL_TEST_CHECK_GE(CASE_A, CASE_A);
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ABSL_TEST_CHECK_GE(CASE_B, CASE_A);
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ABSL_TEST_CHECK_LE(CASE_A, CASE_A);
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ABSL_TEST_CHECK_LE(CASE_A, CASE_B);
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ABSL_TEST_CHECK_GT(CASE_B, CASE_A);
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ABSL_TEST_CHECK_LT(CASE_A, CASE_B);
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}
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TEST(CHECKTest, TestBinaryChecksWithNullptr) {
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const void* p_null = nullptr;
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const void* p_not_null = &p_null;
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ABSL_TEST_CHECK_EQ(p_null, nullptr);
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ABSL_TEST_CHECK_EQ(nullptr, p_null);
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ABSL_TEST_CHECK_NE(p_not_null, nullptr);
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ABSL_TEST_CHECK_NE(nullptr, p_not_null);
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}
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struct ExampleTypeThatHasNoStreamOperator {
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bool x;
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bool operator==(const ExampleTypeThatHasNoStreamOperator& other) const {
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return x == other.x;
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}
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bool operator==(const bool& other) const { return x == other; }
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};
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TEST(CHECKDeathTest, TestBinaryChecksWithUnprintable) {
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ExampleTypeThatHasNoStreamOperator a{true};
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ExampleTypeThatHasNoStreamOperator b{false};
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ABSL_TEST_CHECK_EQ(a, a);
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, b), "Check failed: a == b");
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ABSL_TEST_CHECK_EQ(a, true);
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, false),
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"Check failed: a == false \\(UNPRINTABLE vs. 0\\)");
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}
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#if GTEST_HAS_DEATH_TEST
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// Test logging of various char-typed values by failing CHECK*().
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TEST(CHECKDeathTest, TestComparingCharsValues) {
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{
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char a = ';';
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char b = 'b';
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, b),
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"Check failed: a == b \\(';' vs. 'b'\\)");
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b = 1;
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, b),
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"Check failed: a == b \\(';' vs. char value 1\\)");
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}
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{
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signed char a = ';';
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signed char b = 'b';
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, b),
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"Check failed: a == b \\(';' vs. 'b'\\)");
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b = -128;
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, b),
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"Check failed: a == b \\(';' vs. signed char value -128\\)");
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}
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{
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unsigned char a = ';';
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unsigned char b = 'b';
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, b),
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"Check failed: a == b \\(';' vs. 'b'\\)");
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b = 128;
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, b),
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"Check failed: a == b \\(';' vs. unsigned char value 128\\)");
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}
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}
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TEST(CHECKDeathTest, TestNullValuesAreReportedCleanly) {
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const char* a = nullptr;
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const char* b = nullptr;
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EXPECT_DEATH(ABSL_TEST_CHECK_NE(a, b),
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"Check failed: a != b \\(\\(null\\) vs. \\(null\\)\\)");
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a = "xx";
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(a, b),
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R"re(Check failed: a == b )re" POINTER_VS_POINTER_RE(
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POINTER_VALUE_RE, "\\(null\\)"));
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EXPECT_DEATH(ABSL_TEST_CHECK_EQ(b, a),
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R"re(Check failed: b == a )re" POINTER_VS_POINTER_RE(
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"\\(null\\)", POINTER_VALUE_RE));
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std::nullptr_t n{};
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EXPECT_DEATH(ABSL_TEST_CHECK_NE(n, nullptr),
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"Check failed: n != nullptr \\(\\(null\\) vs. \\(null\\)\\)");
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}
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#endif // GTEST_HAS_DEATH_TEST
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TEST(CHECKTest, TestSTREQ) {
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ABSL_TEST_CHECK_STREQ("this", "this");
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ABSL_TEST_CHECK_STREQ(nullptr, nullptr);
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ABSL_TEST_CHECK_STRCASEEQ("this", "tHiS");
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ABSL_TEST_CHECK_STRCASEEQ(nullptr, nullptr);
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ABSL_TEST_CHECK_STRNE("this", "tHiS");
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ABSL_TEST_CHECK_STRNE("this", nullptr);
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ABSL_TEST_CHECK_STRCASENE("this", "that");
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ABSL_TEST_CHECK_STRCASENE(nullptr, "that");
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ABSL_TEST_CHECK_STREQ((std::string("a") + "b").c_str(), "ab");
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ABSL_TEST_CHECK_STREQ(std::string("test").c_str(),
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(std::string("te") + std::string("st")).c_str());
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}
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TEST(CHECKTest, TestComparisonPlacementsInCompoundStatements) {
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// check placement inside if/else clauses
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if (true) ABSL_TEST_CHECK_EQ(1, 1);
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if (true) ABSL_TEST_CHECK_STREQ("c", "c");
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if (false)
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; // NOLINT
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else
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ABSL_TEST_CHECK_LE(0, 1);
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if (false)
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; // NOLINT
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else
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ABSL_TEST_CHECK_STRNE("a", "b");
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switch (0)
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case 0:
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ABSL_TEST_CHECK_NE(1, 0);
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switch (0)
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case 0:
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ABSL_TEST_CHECK_STRCASEEQ("A", "a");
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constexpr auto var = [](int i) {
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ABSL_TEST_CHECK_GT(i, 0);
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return i + 1;
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}(global_var);
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(void)var;
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// CHECK_STR... checks are not supported in constexpr routines.
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// constexpr auto var2 = [](int i) {
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// ABSL_TEST_CHECK_STRNE("c", "d");
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// return i + 1;
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// }(global_var);
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#if defined(__GNUC__)
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int var3 = (({ ABSL_TEST_CHECK_LE(1, 2); }), global_var < 10) ? 1 : 0;
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(void)var3;
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int var4 = (({ ABSL_TEST_CHECK_STREQ("a", "a"); }), global_var < 10) ? 1 : 0;
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(void)var4;
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#endif // __GNUC__
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}
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|
|
TEST(CHECKTest, TestDCHECK) {
|
|
#ifdef NDEBUG
|
|
ABSL_TEST_DCHECK(1 == 2) << " DCHECK's shouldn't be compiled in normal mode";
|
|
#endif
|
|
ABSL_TEST_DCHECK(1 == 1); // NOLINT(readability/check)
|
|
ABSL_TEST_DCHECK_EQ(1, 1);
|
|
ABSL_TEST_DCHECK_NE(1, 2);
|
|
ABSL_TEST_DCHECK_GE(1, 1);
|
|
ABSL_TEST_DCHECK_GE(2, 1);
|
|
ABSL_TEST_DCHECK_LE(1, 1);
|
|
ABSL_TEST_DCHECK_LE(1, 2);
|
|
ABSL_TEST_DCHECK_GT(2, 1);
|
|
ABSL_TEST_DCHECK_LT(1, 2);
|
|
|
|
// Test DCHECK on std::nullptr_t
|
|
const void* p_null = nullptr;
|
|
const void* p_not_null = &p_null;
|
|
ABSL_TEST_DCHECK_EQ(p_null, nullptr);
|
|
ABSL_TEST_DCHECK_EQ(nullptr, p_null);
|
|
ABSL_TEST_DCHECK_NE(p_not_null, nullptr);
|
|
ABSL_TEST_DCHECK_NE(nullptr, p_not_null);
|
|
}
|
|
|
|
TEST(CHECKTest, TestQCHECK) {
|
|
// The tests that QCHECK does the same as CHECK
|
|
ABSL_TEST_QCHECK(1 == 1); // NOLINT(readability/check)
|
|
ABSL_TEST_QCHECK_EQ(1, 1);
|
|
ABSL_TEST_QCHECK_NE(1, 2);
|
|
ABSL_TEST_QCHECK_GE(1, 1);
|
|
ABSL_TEST_QCHECK_GE(2, 1);
|
|
ABSL_TEST_QCHECK_LE(1, 1);
|
|
ABSL_TEST_QCHECK_LE(1, 2);
|
|
ABSL_TEST_QCHECK_GT(2, 1);
|
|
ABSL_TEST_QCHECK_LT(1, 2);
|
|
|
|
// Tests using QCHECK*() on anonymous enums.
|
|
ABSL_TEST_QCHECK_EQ(CASE_A, CASE_A);
|
|
ABSL_TEST_QCHECK_NE(CASE_A, CASE_B);
|
|
ABSL_TEST_QCHECK_GE(CASE_A, CASE_A);
|
|
ABSL_TEST_QCHECK_GE(CASE_B, CASE_A);
|
|
ABSL_TEST_QCHECK_LE(CASE_A, CASE_A);
|
|
ABSL_TEST_QCHECK_LE(CASE_A, CASE_B);
|
|
ABSL_TEST_QCHECK_GT(CASE_B, CASE_A);
|
|
ABSL_TEST_QCHECK_LT(CASE_A, CASE_B);
|
|
}
|
|
|
|
TEST(CHECKTest, TestQCHECKPlacementsInCompoundStatements) {
|
|
// check placement inside if/else clauses
|
|
if (true) ABSL_TEST_QCHECK(true);
|
|
|
|
if (false)
|
|
; // NOLINT
|
|
else
|
|
ABSL_TEST_QCHECK(true);
|
|
|
|
if (false)
|
|
; // NOLINT
|
|
else
|
|
ABSL_TEST_QCHECK(true);
|
|
|
|
switch (0)
|
|
case 0:
|
|
ABSL_TEST_QCHECK(true);
|
|
|
|
constexpr auto var = [](int i) {
|
|
ABSL_TEST_QCHECK(i > 0); // NOLINT
|
|
return i + 1;
|
|
}(global_var);
|
|
(void)var;
|
|
|
|
#if defined(__GNUC__)
|
|
int var2 = (({ ABSL_TEST_CHECK_LE(1, 2); }), global_var < 10) ? 1 : 0;
|
|
(void)var2;
|
|
#endif // __GNUC__
|
|
}
|
|
|
|
class ComparableType {
|
|
public:
|
|
explicit ComparableType(int v) : v_(v) {}
|
|
|
|
void MethodWithCheck(int i) {
|
|
ABSL_TEST_CHECK_EQ(*this, i);
|
|
ABSL_TEST_CHECK_EQ(i, *this);
|
|
}
|
|
|
|
int Get() const { return v_; }
|
|
|
|
private:
|
|
friend bool operator==(const ComparableType& lhs, const ComparableType& rhs) {
|
|
return lhs.v_ == rhs.v_;
|
|
}
|
|
friend bool operator!=(const ComparableType& lhs, const ComparableType& rhs) {
|
|
return lhs.v_ != rhs.v_;
|
|
}
|
|
friend bool operator<(const ComparableType& lhs, const ComparableType& rhs) {
|
|
return lhs.v_ < rhs.v_;
|
|
}
|
|
friend bool operator<=(const ComparableType& lhs, const ComparableType& rhs) {
|
|
return lhs.v_ <= rhs.v_;
|
|
}
|
|
friend bool operator>(const ComparableType& lhs, const ComparableType& rhs) {
|
|
return lhs.v_ > rhs.v_;
|
|
}
|
|
friend bool operator>=(const ComparableType& lhs, const ComparableType& rhs) {
|
|
return lhs.v_ >= rhs.v_;
|
|
}
|
|
friend bool operator==(const ComparableType& lhs, int rhs) {
|
|
return lhs.v_ == rhs;
|
|
}
|
|
friend bool operator==(int lhs, const ComparableType& rhs) {
|
|
return lhs == rhs.v_;
|
|
}
|
|
|
|
friend std::ostream& operator<<(std::ostream& out, const ComparableType& v) {
|
|
return out << "ComparableType{" << v.Get() << "}";
|
|
}
|
|
|
|
int v_;
|
|
};
|
|
|
|
TEST(CHECKTest, TestUserDefinedCompOp) {
|
|
ABSL_TEST_CHECK_EQ(ComparableType{0}, ComparableType{0});
|
|
ABSL_TEST_CHECK_NE(ComparableType{1}, ComparableType{2});
|
|
ABSL_TEST_CHECK_LT(ComparableType{1}, ComparableType{2});
|
|
ABSL_TEST_CHECK_LE(ComparableType{1}, ComparableType{2});
|
|
ABSL_TEST_CHECK_GT(ComparableType{2}, ComparableType{1});
|
|
ABSL_TEST_CHECK_GE(ComparableType{2}, ComparableType{2});
|
|
}
|
|
|
|
TEST(CHECKTest, TestCheckInMethod) {
|
|
ComparableType v{1};
|
|
v.MethodWithCheck(1);
|
|
}
|
|
|
|
TEST(CHECKDeathTest, TestUserDefinedStreaming) {
|
|
ComparableType v1{1};
|
|
ComparableType v2{2};
|
|
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_EQ(v1, v2),
|
|
HasSubstr(
|
|
"Check failed: v1 == v2 (ComparableType{1} vs. ComparableType{2})"));
|
|
}
|
|
|
|
// A type that can be printed using AbslStringify.
|
|
struct StringifiableType {
|
|
int x = 0;
|
|
explicit StringifiableType(int x) : x(x) {}
|
|
friend bool operator==(const StringifiableType& lhs,
|
|
const StringifiableType& rhs) {
|
|
return lhs.x == rhs.x;
|
|
}
|
|
friend bool operator!=(const StringifiableType& lhs,
|
|
const StringifiableType& rhs) {
|
|
return lhs.x != rhs.x;
|
|
}
|
|
friend bool operator<(const StringifiableType& lhs,
|
|
const StringifiableType& rhs) {
|
|
return lhs.x < rhs.x;
|
|
}
|
|
friend bool operator>(const StringifiableType& lhs,
|
|
const StringifiableType& rhs) {
|
|
return lhs.x > rhs.x;
|
|
}
|
|
friend bool operator<=(const StringifiableType& lhs,
|
|
const StringifiableType& rhs) {
|
|
return lhs.x <= rhs.x;
|
|
}
|
|
friend bool operator>=(const StringifiableType& lhs,
|
|
const StringifiableType& rhs) {
|
|
return lhs.x >= rhs.x;
|
|
}
|
|
template <typename Sink>
|
|
friend void AbslStringify(Sink& sink, const StringifiableType& obj) {
|
|
absl::Format(&sink, "StringifiableType{%d}", obj.x);
|
|
}
|
|
|
|
// Make sure no unintended copy happens.
|
|
StringifiableType(const StringifiableType&) = delete;
|
|
};
|
|
|
|
TEST(CHECKTest, TestUserDefinedAbslStringify) {
|
|
const StringifiableType v1(1);
|
|
const StringifiableType v2(2);
|
|
|
|
ABSL_TEST_CHECK_EQ(v1, v1);
|
|
ABSL_TEST_CHECK_NE(v1, v2);
|
|
ABSL_TEST_CHECK_LT(v1, v2);
|
|
ABSL_TEST_CHECK_LE(v1, v2);
|
|
ABSL_TEST_CHECK_GT(v2, v1);
|
|
ABSL_TEST_CHECK_GE(v2, v1);
|
|
}
|
|
|
|
TEST(CHECKDeathTest, TestUserDefinedAbslStringify) {
|
|
const StringifiableType v1(1);
|
|
const StringifiableType v2(2);
|
|
|
|
// Returns a matcher for the expected check failure message when comparing two
|
|
// values.
|
|
auto expected_output = [](int lhs, absl::string_view condition, int rhs) {
|
|
return HasSubstr(
|
|
absl::Substitute("Check failed: v$0 $1 v$2 (StringifiableType{$0} vs. "
|
|
"StringifiableType{$2})",
|
|
lhs, condition, rhs));
|
|
};
|
|
// Test comparisons where the check fails.
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_EQ(v1, v2), expected_output(1, "==", 2));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_NE(v1, v1), expected_output(1, "!=", 1));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LT(v2, v1), expected_output(2, "<", 1));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LE(v2, v1), expected_output(2, "<=", 1));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_GT(v1, v2), expected_output(1, ">", 2));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_GE(v1, v2), expected_output(1, ">=", 2));
|
|
}
|
|
|
|
// A type that can be printed using both AbslStringify and operator<<.
|
|
struct StringifiableStreamableType {
|
|
int x = 0;
|
|
explicit StringifiableStreamableType(int x) : x(x) {}
|
|
|
|
friend bool operator==(const StringifiableStreamableType& lhs,
|
|
const StringifiableStreamableType& rhs) {
|
|
return lhs.x == rhs.x;
|
|
}
|
|
friend bool operator!=(const StringifiableStreamableType& lhs,
|
|
const StringifiableStreamableType& rhs) {
|
|
return lhs.x != rhs.x;
|
|
}
|
|
template <typename Sink>
|
|
friend void AbslStringify(Sink& sink,
|
|
const StringifiableStreamableType& obj) {
|
|
absl::Format(&sink, "Strigified{%d}", obj.x);
|
|
}
|
|
friend std::ostream& operator<<(std::ostream& out,
|
|
const StringifiableStreamableType& obj) {
|
|
return out << "Streamed{" << obj.x << "}";
|
|
}
|
|
|
|
// Avoid unintentional copy.
|
|
StringifiableStreamableType(const StringifiableStreamableType&) = delete;
|
|
};
|
|
|
|
TEST(CHECKDeathTest, TestStreamingPreferredOverAbslStringify) {
|
|
StringifiableStreamableType v1(1);
|
|
StringifiableStreamableType v2(2);
|
|
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_EQ(v1, v2),
|
|
HasSubstr("Check failed: v1 == v2 (Streamed{1} vs. Streamed{2})"));
|
|
}
|
|
|
|
// A type whose pointer can be passed to AbslStringify.
|
|
struct PointerIsStringifiable {};
|
|
template <typename Sink>
|
|
void AbslStringify(Sink& sink, const PointerIsStringifiable* var) {
|
|
sink.Append("PointerIsStringifiable");
|
|
}
|
|
|
|
// Verifies that a pointer is printed as a number despite having AbslStringify
|
|
// defined. Users may implement AbslStringify that dereferences the pointer, and
|
|
// doing so as part of DCHECK would not be good.
|
|
TEST(CHECKDeathTest, TestPointerPrintedAsNumberDespiteAbslStringify) {
|
|
const auto* p = reinterpret_cast<const PointerIsStringifiable*>(0x1234);
|
|
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_EQ(p, nullptr),
|
|
AnyOf(
|
|
HasSubstr("Check failed: p == nullptr (0000000000001234 vs. (null))"),
|
|
HasSubstr("Check failed: p == nullptr (0x1234 vs. (null))")));
|
|
}
|
|
|
|
// An uncopyable object with operator<<.
|
|
struct Uncopyable {
|
|
int x;
|
|
explicit Uncopyable(int x) : x(x) {}
|
|
Uncopyable(const Uncopyable&) = delete;
|
|
friend bool operator==(const Uncopyable& lhs, const Uncopyable& rhs) {
|
|
return lhs.x == rhs.x;
|
|
}
|
|
friend bool operator!=(const Uncopyable& lhs, const Uncopyable& rhs) {
|
|
return lhs.x != rhs.x;
|
|
}
|
|
friend std::ostream& operator<<(std::ostream& os, const Uncopyable& obj) {
|
|
return os << "Uncopyable{" << obj.x << "}";
|
|
}
|
|
};
|
|
|
|
// Test that an uncopyable object can be used.
|
|
// Will catch us if implementation has an unintended copy.
|
|
TEST(CHECKDeathTest, TestUncopyable) {
|
|
const Uncopyable v1(1);
|
|
const Uncopyable v2(2);
|
|
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_EQ(v1, v2),
|
|
HasSubstr("Check failed: v1 == v2 (Uncopyable{1} vs. Uncopyable{2})"));
|
|
}
|
|
|
|
enum class ScopedEnum { kValue1 = 1, kValue2 = 2 };
|
|
|
|
TEST(CHECKTest, TestScopedEnumComparisonChecks) {
|
|
ABSL_TEST_CHECK_EQ(ScopedEnum::kValue1, ScopedEnum::kValue1);
|
|
ABSL_TEST_CHECK_NE(ScopedEnum::kValue1, ScopedEnum::kValue2);
|
|
ABSL_TEST_CHECK_LT(ScopedEnum::kValue1, ScopedEnum::kValue2);
|
|
ABSL_TEST_CHECK_LE(ScopedEnum::kValue1, ScopedEnum::kValue2);
|
|
ABSL_TEST_CHECK_GT(ScopedEnum::kValue2, ScopedEnum::kValue1);
|
|
ABSL_TEST_CHECK_GE(ScopedEnum::kValue2, ScopedEnum::kValue2);
|
|
ABSL_TEST_DCHECK_EQ(ScopedEnum::kValue1, ScopedEnum::kValue1);
|
|
ABSL_TEST_DCHECK_NE(ScopedEnum::kValue1, ScopedEnum::kValue2);
|
|
ABSL_TEST_DCHECK_LT(ScopedEnum::kValue1, ScopedEnum::kValue2);
|
|
ABSL_TEST_DCHECK_LE(ScopedEnum::kValue1, ScopedEnum::kValue2);
|
|
ABSL_TEST_DCHECK_GT(ScopedEnum::kValue2, ScopedEnum::kValue1);
|
|
ABSL_TEST_DCHECK_GE(ScopedEnum::kValue2, ScopedEnum::kValue2);
|
|
|
|
// Check that overloads work correctly with references as well.
|
|
const ScopedEnum x = ScopedEnum::kValue1;
|
|
const ScopedEnum& x_ref = x;
|
|
ABSL_TEST_CHECK_EQ(x, x_ref);
|
|
ABSL_TEST_CHECK_EQ(x_ref, x_ref);
|
|
}
|
|
|
|
#if GTEST_HAS_DEATH_TEST
|
|
TEST(CHECKDeathTest, TestScopedEnumCheckFailureMessagePrintsIntegerValues) {
|
|
const auto e1 = ScopedEnum::kValue1;
|
|
const auto e2 = ScopedEnum::kValue2;
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_EQ(e1, e2),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 2\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_NE(e1, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 1\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_GT(e1, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 1\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_GE(e1, e2),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 2\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LT(e2, e2),
|
|
ContainsRegex(R"re(Check failed:.*\(2 vs. 2\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LE(e2, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(2 vs. 1\))re"));
|
|
|
|
const auto& e1_ref = e1;
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_NE(e1_ref, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 1\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_NE(e1_ref, e1_ref),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 1\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_EQ(e2, e1_ref),
|
|
ContainsRegex(R"re(Check failed:.*\(2 vs. 1\))re"));
|
|
|
|
#ifndef NDEBUG
|
|
EXPECT_DEATH(ABSL_TEST_DCHECK_EQ(e2, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(2 vs. 1\))re"));
|
|
#else
|
|
// DHECK_EQ is not evaluated in non-debug mode.
|
|
ABSL_TEST_DCHECK_EQ(e2, e1);
|
|
#endif // NDEBUG
|
|
}
|
|
#endif // GTEST_HAS_DEATH_TEST
|
|
|
|
enum class ScopedInt8Enum : int8_t {
|
|
kValue1 = 1,
|
|
kValue2 = 66 // Printable ascii value 'B'.
|
|
};
|
|
|
|
TEST(CHECKDeathTest, TestScopedInt8EnumCheckFailureMessagePrintsCharValues) {
|
|
const auto e1 = ScopedInt8Enum::kValue1;
|
|
const auto e2 = ScopedInt8Enum::kValue2;
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_EQ(e1, e2),
|
|
ContainsRegex(R"re(Check failed:.*\(signed char value 1 vs. 'B'\))re"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_NE(e1, e1),
|
|
ContainsRegex(
|
|
R"re(Check failed:.*\(signed char value 1 vs. signed char value 1\))re"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_GT(e1, e1),
|
|
ContainsRegex(
|
|
R"re(Check failed:.*\(signed char value 1 vs. signed char value 1\))re"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_GE(e1, e2),
|
|
ContainsRegex(R"re(Check failed:.*\(signed char value 1 vs. 'B'\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LT(e2, e2),
|
|
ContainsRegex(R"re(Check failed:.*\('B' vs. 'B'\))re"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_LE(e2, e1),
|
|
ContainsRegex(R"re(Check failed:.*\('B' vs. signed char value 1\))re"));
|
|
}
|
|
|
|
enum class ScopedUnsignedEnum : uint16_t {
|
|
kValue1 = std::numeric_limits<uint16_t>::min(),
|
|
kValue2 = std::numeric_limits<uint16_t>::max()
|
|
};
|
|
|
|
TEST(CHECKDeathTest,
|
|
TestScopedUnsignedEnumCheckFailureMessagePrintsCorrectValues) {
|
|
const auto e1 = ScopedUnsignedEnum::kValue1;
|
|
const auto e2 = ScopedUnsignedEnum::kValue2;
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_EQ(e1, e2),
|
|
ContainsRegex(R"re(Check failed:.*\(0 vs. 65535\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_NE(e1, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(0 vs. 0\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_GT(e1, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(0 vs. 0\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_GE(e1, e2),
|
|
ContainsRegex(R"re(Check failed:.*\(0 vs. 65535\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LT(e1, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(0 vs. 0\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LE(e2, e1),
|
|
ContainsRegex(R"re(Check failed:.*\(65535 vs. 0\))re"));
|
|
}
|
|
|
|
enum class ScopedInt64Enum : int64_t {
|
|
kMin = std::numeric_limits<int64_t>::min(),
|
|
kMax = std::numeric_limits<int64_t>::max(),
|
|
};
|
|
|
|
// Tests that int64-backed enums are printed correctly even for very large and
|
|
// very small values.
|
|
TEST(CHECKDeathTest, TestScopedInt64EnumCheckFailureMessage) {
|
|
const auto min = ScopedInt64Enum::kMin;
|
|
const auto max = ScopedInt64Enum::kMax;
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_EQ(max, min),
|
|
ContainsRegex(
|
|
"Check failed:.*9223372036854775807 vs. -9223372036854775808"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_NE(max, max),
|
|
ContainsRegex(
|
|
"Check failed:.*9223372036854775807 vs. 9223372036854775807"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_GT(min, min),
|
|
ContainsRegex(
|
|
"Check failed:.*-9223372036854775808 vs. -9223372036854775808"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_GE(min, max),
|
|
ContainsRegex(
|
|
R"(Check failed:.*-9223372036854775808 vs. 9223372036854775807)"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_LT(max, max),
|
|
ContainsRegex(
|
|
R"(Check failed:.*9223372036854775807 vs. 9223372036854775807)"));
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_LE(max, min),
|
|
ContainsRegex(
|
|
R"(Check failed:.*9223372036854775807 vs. -9223372036854775808)"));
|
|
}
|
|
|
|
enum class ScopedBoolEnum : bool {
|
|
kFalse,
|
|
kTrue,
|
|
};
|
|
|
|
TEST(CHECKDeathTest, TestScopedBoolEnumCheckFailureMessagePrintsCorrectValues) {
|
|
const auto t = ScopedBoolEnum::kTrue;
|
|
const auto f = ScopedBoolEnum::kFalse;
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_EQ(t, f),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 0\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_NE(f, f),
|
|
ContainsRegex(R"re(Check failed:.*\(0 vs. 0\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_GT(f, f),
|
|
ContainsRegex(R"re(Check failed:.*\(0 vs. 0\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_GE(f, t),
|
|
ContainsRegex(R"re(Check failed:.*\(0 vs. 1\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LT(t, t),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 1\))re"));
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_LE(t, f),
|
|
ContainsRegex(R"re(Check failed:.*\(1 vs. 0\))re"));
|
|
}
|
|
|
|
enum class ScopedEnumWithAbslStringify {
|
|
kValue1 = 1,
|
|
kValue2 = 2,
|
|
kValue3 = 3
|
|
};
|
|
|
|
template <typename Sink>
|
|
void AbslStringify(Sink& sink, ScopedEnumWithAbslStringify v) {
|
|
switch (v) {
|
|
case ScopedEnumWithAbslStringify::kValue1:
|
|
sink.Append("AbslStringify: kValue1");
|
|
break;
|
|
case ScopedEnumWithAbslStringify::kValue2:
|
|
sink.Append("AbslStringify: kValue2");
|
|
break;
|
|
case ScopedEnumWithAbslStringify::kValue3:
|
|
sink.Append("AbslStringify: kValue3");
|
|
break;
|
|
}
|
|
}
|
|
|
|
#if GTEST_HAS_DEATH_TEST
|
|
TEST(CHECKDeathTest, TestScopedEnumUsesAbslStringify) {
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_EQ(ScopedEnumWithAbslStringify::kValue1,
|
|
ScopedEnumWithAbslStringify::kValue2),
|
|
ContainsRegex("Check failed:.*AbslStringify: kValue1 vs. "
|
|
"AbslStringify: kValue2"));
|
|
}
|
|
#endif // GTEST_HAS_DEATH_TEST
|
|
|
|
enum class ScopedEnumWithOutputOperator {
|
|
kValue1 = 1,
|
|
kValue2 = 2,
|
|
};
|
|
|
|
std::ostream& operator<<(std::ostream& os, ScopedEnumWithOutputOperator v) {
|
|
switch (v) {
|
|
case ScopedEnumWithOutputOperator::kValue1:
|
|
os << "OutputOperator: kValue1";
|
|
break;
|
|
case ScopedEnumWithOutputOperator::kValue2:
|
|
os << "OutputOperator: kValue2";
|
|
break;
|
|
}
|
|
return os;
|
|
}
|
|
|
|
#if GTEST_HAS_DEATH_TEST
|
|
TEST(CHECKDeathTest, TestOutputOperatorIsUsedForScopedEnum) {
|
|
EXPECT_DEATH(ABSL_TEST_CHECK_EQ(ScopedEnumWithOutputOperator::kValue1,
|
|
ScopedEnumWithOutputOperator::kValue2),
|
|
ContainsRegex("Check failed:.*OutputOperator: kValue1 vs. "
|
|
"OutputOperator: kValue2"));
|
|
}
|
|
#endif // GTEST_HAS_DEATH_TEST
|
|
|
|
enum class ScopedEnumWithAbslStringifyAndOutputOperator {
|
|
kValue1 = 1,
|
|
kValue2 = 2,
|
|
};
|
|
|
|
template <typename Sink>
|
|
void AbslStringify(Sink& sink, ScopedEnumWithAbslStringifyAndOutputOperator v) {
|
|
switch (v) {
|
|
case ScopedEnumWithAbslStringifyAndOutputOperator::kValue1:
|
|
sink.Append("AbslStringify: kValue1");
|
|
break;
|
|
case ScopedEnumWithAbslStringifyAndOutputOperator::kValue2:
|
|
sink.Append("AbslStringify: kValue2");
|
|
break;
|
|
}
|
|
}
|
|
|
|
std::ostream& operator<<(std::ostream& os,
|
|
ScopedEnumWithAbslStringifyAndOutputOperator v) {
|
|
switch (v) {
|
|
case ScopedEnumWithAbslStringifyAndOutputOperator::kValue1:
|
|
os << "OutputOperator: kValue1";
|
|
break;
|
|
case ScopedEnumWithAbslStringifyAndOutputOperator::kValue2:
|
|
os << "OutputOperator: kValue2";
|
|
break;
|
|
}
|
|
return os;
|
|
}
|
|
|
|
#if GTEST_HAS_DEATH_TEST
|
|
|
|
// Test that, if operator<< and AbslStringify are both defined for a scoped
|
|
// enum, streaming takes precedence over AbslStringify.
|
|
TEST(CHECKDeathTest, TestScopedEnumPrefersOutputOperatorOverAbslStringify) {
|
|
EXPECT_DEATH(
|
|
ABSL_TEST_CHECK_EQ(ScopedEnumWithAbslStringifyAndOutputOperator::kValue1,
|
|
ScopedEnumWithAbslStringifyAndOutputOperator::kValue2),
|
|
ContainsRegex("Check failed:.*OutputOperator: kValue1 vs. "
|
|
"OutputOperator: kValue2"));
|
|
}
|
|
#endif // GTEST_HAS_DEATH_TEST
|
|
|
|
} // namespace absl_log_internal
|
|
|
|
// NOLINTEND(misc-definitions-in-headers)
|
|
|
|
#endif // ABSL_LOG_CHECK_TEST_IMPL_H_
|