cppcheck/test/cfg/googletest.cpp

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// Test library configuration for googletest.cfg
//
// Usage:
// $ cppcheck --check-library --library=googletest --enable=information --error-exitcode=1 --inline-suppr --suppress=missingIncludeSystem test/cfg/googletest.cpp
// =>
// No warnings about bad library configuration, unmatched suppressions, etc. exitcode=0
//
#include <gmock/gmock-generated-matchers.h>
#include <gtest/gtest.h>
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namespace ExampleNamespace {
constexpr long long TOLERANCE = 10;
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// #9397 syntaxError when MATCHER_P is not known
MATCHER_P(ExampleMatcherPTest, expected, "")
{
return ((arg <= (expected + TOLERANCE)) && (arg >= (expected - TOLERANCE)));
}
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// syntaxError when MATCHER is not known
MATCHER(ExampleMatcherTest, "")
{
return (arg == TOLERANCE);
}
}
TEST(ASSERT, ASSERT)
{
int *a = (int*)calloc(10,sizeof(int)); // cppcheck-suppress cstyleCast
ASSERT_TRUE(a != nullptr);
a[0] = 10;
free(a);
}
// Avoid syntax error: https://sourceforge.net/p/cppcheck/discussion/general/thread/6ccc7283e2/
TEST(test_cppcheck, cppcheck)
{
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TestStruct<int> it;
ASSERT_THROW(it.operator->(), std::out_of_range);
}
// #9964 - avoid compareBoolExpressionWithInt false positive
TEST(Test, assert_false_fp)
{
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ASSERT_FALSE(errno < 0);
}
// Check that conditions in the ASSERT_* macros are processed correctly.
TEST(Test, warning_in_assert_macros)
{
int i = 5;
int j = 6;
// cppcheck-suppress knownConditionTrueFalse
ASSERT_TRUE(i == 5);
// cppcheck-suppress knownConditionTrueFalse
ASSERT_FALSE(i != 5);
// cppcheck-suppress duplicateExpression
ASSERT_EQ(i, i);
ASSERT_NE(i, j); // expected knownConditionTrueFalse...
ASSERT_LT(i, j); // expected knownConditionTrueFalse...
// cppcheck-suppress duplicateExpression
ASSERT_LE(i, i);
ASSERT_GT(j, i); // expected knownConditionTrueFalse
// cppcheck-suppress duplicateExpression
ASSERT_GE(i, i);
unsigned int u = errno;
// cppcheck-suppress unsignedPositive
ASSERT_GE(u, 0);
// cppcheck-suppress unsignedLessThanZero
ASSERT_LT(u, 0);
}