mirror of
https://github.com/fmtlib/fmt.git
synced 2024-11-02 11:28:20 +00:00
95 lines
3.2 KiB
C++
95 lines
3.2 KiB
C++
/*
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Formatting library tests.
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Author: Victor Zverovich
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*/
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#include <cfloat>
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#include <climits>
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#include <cstring>
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#include <gtest/gtest.h>
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#include "format.h"
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using std::size_t;
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using std::sprintf;
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using fmt::Formatter;
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using fmt::Format;
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using fmt::FormatError;
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#define FORMAT_TEST_THROW_(statement, expected_exception, message, fail) \
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GTEST_AMBIGUOUS_ELSE_BLOCKER_ \
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if (::testing::internal::ConstCharPtr gtest_msg = "") { \
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bool gtest_caught_expected = false; \
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std::string actual_message; \
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try { \
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GTEST_SUPPRESS_UNREACHABLE_CODE_WARNING_BELOW_(statement); \
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} \
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catch (expected_exception const& e) { \
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gtest_caught_expected = true; \
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actual_message = e.what(); \
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} \
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catch (...) { \
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gtest_msg.value = \
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"Expected: " #statement " throws an exception of type " \
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#expected_exception ".\n Actual: it throws a different type."; \
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goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
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} \
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if (!gtest_caught_expected) { \
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gtest_msg.value = \
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"Expected: " #statement " throws an exception of type " \
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#expected_exception ".\n Actual: it throws nothing."; \
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goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
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} else if (actual_message != message) {\
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gtest_msg.value = \
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"Expected: " #statement " throws an exception of type " \
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#expected_exception " with message \"" message "\"."; \
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goto GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__); \
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} \
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} else \
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GTEST_CONCAT_TOKEN_(gtest_label_testthrow_, __LINE__): \
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fail(gtest_msg.value)
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#define EXPECT_THROW_MSG(statement, expected_exception, expected_message) \
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FORMAT_TEST_THROW_(statement, expected_exception, expected_message, \
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GTEST_NONFATAL_FAILURE_)
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TEST(FormatterTest, FormatNoArgs) {
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EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
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EXPECT_EQ("test", str(Format("test")));
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}
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TEST(FormatterTest, FormatArgs) {
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EXPECT_EQ("42", str(Format("{0}") << 42));
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EXPECT_EQ("before 42", str(Format("before {0}") << 42));
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EXPECT_EQ("42 after", str(Format("{0} after") << 42));
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EXPECT_EQ("before 42 after", str(Format("before {0} after") << 42));
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EXPECT_EQ("answer = 42", str(Format("{0} = {1}") << "answer" << 42));
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EXPECT_EQ("42 is the answer", str(Format("{1} is the {0}") << "answer" << 42));
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EXPECT_EQ("abracadabra", str(Format("{0}{1}{0}") << "abra" << "cad"));
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}
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TEST(FormatterTest, InvalidFormat) {
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//Format("{");
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EXPECT_THROW_MSG(Format("{}"), FormatError,
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"missing argument index in format string");
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EXPECT_THROW_MSG(Format("{"), FormatError, "unmatched '{' in format");
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EXPECT_THROW_MSG(Format("{0"), FormatError, "unmatched '{' in format");
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EXPECT_THROW_MSG(Format("{0}"), std::out_of_range,
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"argument index is out of range in format");
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// TODO
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}
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TEST(FormatterTest, FormatBig) {
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EXPECT_EQ("1.2340000000:0042:+3.13:str:0x3e8:X:%",
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str(Format("{0:0.10f}:{1:04}:{2:+g}:{3}:{4}:{5}:%")
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<< 1.234 << 42 << 3.13 << "str"
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<< reinterpret_cast<void*>(1000) << 'X'));
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}
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TEST(FormatterTest, FormatInt) {
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EXPECT_EQ("42", str(Format("{0}") << 42));
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EXPECT_EQ("before 42 after", str(Format("before {0} after") << 42));
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}
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// TODO
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