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Implement runtime precision.

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This commit is contained in:
Victor Zverovich
2012-12-12 15:21:11 -08:00
parent db306cfb22
commit 363352754c
3 changed files with 181 additions and 46 deletions
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format_test.cc
+95 -7
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@@ -45,13 +45,13 @@ using fmt::FormatError;
GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
if (::testing::internal::ConstCharPtr gtest_msg = "") { \
bool gtest_caught_expected = false; \
std::string actual_message; \
try { \
GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
} \
catch (expected_exception const& e) { \
gtest_caught_expected = true; \
actual_message = e.what(); \
if (std::strcmp(message, e.what()) != 0) \
throw; \
} \
catch (...) { \
gtest_msg.value = \
@@ -64,11 +64,6 @@ using fmt::FormatError;
"Expected: " #statement " throws an exception of type " \
#expected_exception ".\n Actual: it throws nothing."; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
} else if (actual_message != message) {\
gtest_msg.value = \
"Expected: " #statement " throws an exception of type " \
#expected_exception "."; \
goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
} \
} else \
GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \
@@ -380,6 +375,99 @@ TEST(FormatterTest, Precision) {
FormatError, "precision specifier requires floating-point argument");
}
TEST(FormatterTest, RuntimePrecision) {
char format[256];
if (ULONG_MAX > UINT_MAX) {
std::sprintf(format, "{0:.{%lu", INT_MAX + 1l);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "unmatched '{' in format");
std::sprintf(format, "{0:.{%lu}", INT_MAX + 1l);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "unmatched '{' in format");
std::sprintf(format, "{0:.{%lu}}", UINT_MAX + 1l);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "number is too big in format");
} else {
std::sprintf(format, "{0:.{%u0", UINT_MAX);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "unmatched '{' in format");
std::sprintf(format, "{0:.{%u0}", UINT_MAX);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "unmatched '{' in format");
std::sprintf(format, "{0:.{%u0}}", UINT_MAX);
EXPECT_THROW_MSG(Format(format) << 0,
FormatError, "number is too big in format");
}
EXPECT_THROW_MSG(Format("{0:.{") << 0,
FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{0:.{}") << 0,
FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{0:.{}}") << 0,
FormatError, "missing argument index in format string");
EXPECT_THROW_MSG(Format("{0:.{1}") << 0 << 0,
FormatError, "unmatched '{' in format");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0,
FormatError, "argument index is out of range in format");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << -1,
FormatError, "negative precision in format");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << (INT_MAX + 1u),
FormatError, "number is too big in format");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << -1l,
FormatError, "negative precision in format");
if (sizeof(long) > sizeof(int)) {
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << (INT_MAX + 1l),
FormatError, "number is too big in format");
}
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << (INT_MAX + 1ul),
FormatError, "number is too big in format");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << '0',
FormatError, "precision is not integer");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 0 << 0.0,
FormatError, "precision is not integer");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 42 << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 42 << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 42u << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 42u << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 42l << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 42l << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 42ul << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 42ul << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_EQ("1.2", str(Format("{0:.{1}}") << 1.2345 << 2));
EXPECT_EQ("1.2", str(Format("{1:.{0}}") << 2 << 1.2345l));
EXPECT_THROW_MSG(Format("{0:.{1}}") << reinterpret_cast<void*>(0xcafe) << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}f}") << reinterpret_cast<void*>(0xcafe) << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}}") << 'x' << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}f}") << 'x' << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}}") << "str" << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}f}") << "str" << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}}") << TestString() << 2,
FormatError, "precision specifier requires floating-point argument");
EXPECT_THROW_MSG(Format("{0:.{1}f}") << TestString() << 2,
FormatError, "precision specifier requires floating-point argument");
}
template <typename T>
void CheckUnknownTypes(
const T &value, const char *types, const char *type_name) {