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Test EXPECT_SYSTEM_ERROR.

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This commit is contained in:
Victor Zverovich 2014-05-14 09:01:16 -07:00
parent 5415b2a43b
commit 34648f4019
1 changed files with 97 additions and 2 deletions
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99
test/gtest-extra-test.cc
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@ -106,6 +106,10 @@ void ThrowException() {
throw std::runtime_error("test");
}
void ThrowSystemError() {
fmt::ThrowSystemError(EDOM, "test");
}
// Tests that when EXPECT_THROW_MSG fails, it evaluates its message argument
// exactly once.
TEST_F(SingleEvaluationTest, FailedEXPECT_THROW_MSG) {
@ -114,6 +118,14 @@ TEST_F(SingleEvaluationTest, FailedEXPECT_THROW_MSG) {
EXPECT_EQ(s_ + 1, p_);
}
// Tests that when EXPECT_SYSTEM_ERROR fails, it evaluates its message argument
// exactly once.
TEST_F(SingleEvaluationTest, FailedEXPECT_SYSTEM_ERROR) {
EXPECT_NONFATAL_FAILURE(
EXPECT_SYSTEM_ERROR(ThrowSystemError(), EDOM, p_++), "01234");
EXPECT_EQ(s_ + 1, p_);
}
// Tests that when EXPECT_WRITE fails, it evaluates its message argument
// exactly once.
TEST_F(SingleEvaluationTest, FailedEXPECT_WRITE) {
@ -156,6 +168,39 @@ TEST_F(SingleEvaluationTest, ExceptionTests) {
EXPECT_EQ(4, b_);
}
TEST_F(SingleEvaluationTest, SystemErrorTests) {
// successful EXPECT_SYSTEM_ERROR
EXPECT_SYSTEM_ERROR({ // NOLINT
a_++;
ThrowSystemError();
}, EDOM, (b_++, "test"));
EXPECT_EQ(1, a_);
EXPECT_EQ(1, b_);
// failed EXPECT_SYSTEM_ERROR, throws different type
EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR({ // NOLINT
a_++;
ThrowException();
}, EDOM, (b_++, "test")), "throws a different type");
EXPECT_EQ(2, a_);
EXPECT_EQ(2, b_);
// failed EXPECT_SYSTEM_ERROR, throws an exception with different message
EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR({ // NOLINT
a_++;
ThrowSystemError();
}, EDOM, (b_++, "other")),
"throws an exception with a different message");
EXPECT_EQ(3, a_);
EXPECT_EQ(3, b_);
// failed EXPECT_SYSTEM_ERROR, throws nothing
EXPECT_NONFATAL_FAILURE(
EXPECT_SYSTEM_ERROR(a_++, EDOM, (b_++, "test")), "throws nothing");
EXPECT_EQ(4, a_);
EXPECT_EQ(4, b_);
}
// Tests that assertion arguments are evaluated exactly once.
TEST_F(SingleEvaluationTest, WriteTests) {
// successful EXPECT_WRITE
@ -187,6 +232,18 @@ TEST(ExpectThrowTest, DoesNotGenerateUnreachableCodeWarning) {
throw runtime_error("a"), runtime_error, "b"), "");
}
// Tests that the compiler will not complain about unreachable code in the
// EXPECT_SYSTEM_ERROR macro.
TEST(ExpectSystemErrorTest, DoesNotGenerateUnreachableCodeWarning) {
int n = 0;
EXPECT_SYSTEM_ERROR(throw fmt::SystemError(
FormatSystemErrorMessage(EDOM, "test"), EDOM), EDOM, "test");
EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(n++, EDOM, ""), "");
EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(throw 1, EDOM, ""), "");
EXPECT_NONFATAL_FAILURE(EXPECT_SYSTEM_ERROR(
throw fmt::SystemError("aaa", EDOM), EDOM, "bbb"), "");
}
TEST(AssertionSyntaxTest, ExceptionAssertionBehavesLikeSingleStatement) {
if (::testing::internal::AlwaysFalse())
EXPECT_THROW_MSG(DoNothing(), std::exception, "");
@ -197,6 +254,16 @@ TEST(AssertionSyntaxTest, ExceptionAssertionBehavesLikeSingleStatement) {
DoNothing();
}
TEST(AssertionSyntaxTest, SystemErrorAssertionBehavesLikeSingleStatement) {
if (::testing::internal::AlwaysFalse())
EXPECT_SYSTEM_ERROR(DoNothing(), EDOM, "");
if (::testing::internal::AlwaysTrue())
EXPECT_SYSTEM_ERROR(ThrowSystemError(), EDOM, "test");
else
DoNothing();
}
TEST(AssertionSyntaxTest, WriteAssertionBehavesLikeSingleStatement) {
if (::testing::internal::AlwaysFalse())
EXPECT_WRITE(stdout, std::printf("x"), "x");
@ -225,6 +292,27 @@ TEST(ExpectTest, EXPECT_THROW_MSG) {
" Actual: test");
}
// Tests EXPECT_SYSTEM_ERROR.
TEST(ExpectTest, EXPECT_SYSTEM_ERROR) {
EXPECT_SYSTEM_ERROR(ThrowSystemError(), EDOM, "test");
EXPECT_NONFATAL_FAILURE(
EXPECT_SYSTEM_ERROR(ThrowException(), EDOM, "test"),
"Expected: ThrowException() throws an exception of "
"type fmt::SystemError.\n Actual: it throws a different type.");
EXPECT_NONFATAL_FAILURE(
EXPECT_SYSTEM_ERROR(DoNothing(), EDOM, "test"),
"Expected: DoNothing() throws an exception of type fmt::SystemError.\n"
" Actual: it throws nothing.");
EXPECT_NONFATAL_FAILURE(
EXPECT_SYSTEM_ERROR(ThrowSystemError(), EDOM, "other"),
str(fmt::Format(
"ThrowSystemError() throws an exception with a different message.\n"
"Expected: {}\n"
" Actual: {}")
<< FormatSystemErrorMessage(EDOM, "other")
<< FormatSystemErrorMessage(EDOM, "test")));
}
// Tests EXPECT_WRITE.
TEST(ExpectTest, EXPECT_WRITE) {
EXPECT_WRITE(stdout, DoNothing(), "");
@ -244,6 +332,14 @@ TEST(StreamingAssertionsTest, EXPECT_THROW_MSG) {
<< "expected failure", "expected failure");
}
TEST(StreamingAssertionsTest, EXPECT_SYSTEM_ERROR) {
EXPECT_SYSTEM_ERROR(ThrowSystemError(), EDOM, "test")
<< "unexpected failure";
EXPECT_NONFATAL_FAILURE(
EXPECT_SYSTEM_ERROR(ThrowSystemError(), EDOM, "other")
<< "expected failure", "expected failure");
}
TEST(StreamingAssertionsTest, EXPECT_WRITE) {
EXPECT_WRITE(stdout, std::printf("test"), "test")
<< "unexpected failure";
@ -704,8 +800,7 @@ TEST(OutputRedirectTest, ErrorInDtor) {
write_copy.dup2(write_fd); // "undo" close or dtor of BufferedFile will fail
}
// TODO: test EXPECT_SYSTEM_ERROR
// TODO: test retry on EINTR
// TODO: test retry on EINTR, test FormatSystemErrorMessage
#endif // FMT_USE_FILE_DESCRIPTORS