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[flang] Add tests for REPEAT. NFC

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These should already pass with the current implementation.

Differential Revision: https://reviews.llvm.org/D103402
This commit is contained in:
Diana Picus 2021-05-31 11:42:42 +00:00
parent 0b34acdab7
commit 5f25145306
1 changed files with 39 additions and 0 deletions
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39
flang/unittests/RuntimeGTest/CharacterTest.cpp
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@ -334,3 +334,42 @@ TYPED_TEST(SearchTests, VerifyTests) {
RunSearchTests(
"VERIFY", tests, std::get<SearchFunction<TypeParam>>(functions));
}
// Test REPEAT()
template <typename CHAR> struct RepeatTests : public ::testing::Test {};
TYPED_TEST_SUITE(RepeatTests, CharacterTypes, );
struct RepeatTestCase {
std::size_t ncopies;
const char *input, *output;
};
template <typename CHAR>
void RunRepeatTest(
std::size_t ncopies, const char *inputRaw, const char *outputRaw) {
OwningPtr<Descriptor> input{CreateDescriptor<CHAR>({}, {inputRaw})};
ASSERT_NE(input, nullptr);
ASSERT_TRUE(input->IsAllocated());
StaticDescriptor<1> outputStaticDescriptor;
Descriptor &output{outputStaticDescriptor.descriptor()};
RTNAME(Repeat)(output, *input, ncopies);
std::basic_string<CHAR> got{
output.OffsetElement<CHAR>(), output.ElementBytes() / sizeof(CHAR)};
std::basic_string<CHAR> expect{outputRaw, outputRaw + std::strlen(outputRaw)};
ASSERT_EQ(got, expect) << "'" << inputRaw << "' * " << ncopies
<< "' for CHARACTER(kind=" << sizeof(CHAR) << ")";
}
TYPED_TEST(RepeatTests, Repeat) {
static std::vector<RepeatTestCase> testcases{
{1, "just one copy", "just one copy"},
{5, "copy.", "copy.copy.copy.copy.copy."},
{0, "no copies", ""},
};
for (const auto &t : testcases) {
RunRepeatTest<TypeParam>(t.ncopies, t.input, t.output);
}
}