mirror of
https://github.com/fmtlib/fmt.git
synced 2024-12-27 12:38:37 +00:00
76 lines
2.6 KiB
C++
76 lines
2.6 KiB
C++
// Formatting library for C++ - Grisu tests
|
|
//
|
|
// Copyright (c) 2012 - present, Victor Zverovich
|
|
// All rights reserved.
|
|
//
|
|
// For the license information refer to format.h.
|
|
|
|
#include "fmt/format.h"
|
|
#include "gtest.h"
|
|
|
|
static bool reported_skipped;
|
|
|
|
#undef TEST
|
|
#define TEST(test_fixture, test_name) \
|
|
void test_fixture##test_name(); \
|
|
GTEST_TEST(test_fixture, test_name) { \
|
|
if (FMT_USE_GRISU) { \
|
|
test_fixture##test_name(); \
|
|
} else if (!reported_skipped) { \
|
|
reported_skipped = true; \
|
|
fmt::print("Skipping Grisu tests.\n"); \
|
|
} \
|
|
} \
|
|
void test_fixture##test_name()
|
|
|
|
TEST(GrisuTest, NaN) {
|
|
auto nan = std::numeric_limits<double>::quiet_NaN();
|
|
EXPECT_EQ("nan", fmt::format("{}", nan));
|
|
EXPECT_EQ("-nan", fmt::format("{}", -nan));
|
|
}
|
|
|
|
TEST(GrisuTest, Inf) {
|
|
auto inf = std::numeric_limits<double>::infinity();
|
|
EXPECT_EQ("inf", fmt::format("{}", inf));
|
|
EXPECT_EQ("-inf", fmt::format("{}", -inf));
|
|
}
|
|
|
|
TEST(GrisuTest, Zero) { EXPECT_EQ("0.0", fmt::format("{}", 0.0)); }
|
|
|
|
TEST(GrisuTest, Round) {
|
|
EXPECT_EQ("1.9156918820264798e-56",
|
|
fmt::format("{}", 1.9156918820264798e-56));
|
|
EXPECT_EQ("0.0000", fmt::format("{:.4f}", 7.2809479766055470e-15));
|
|
}
|
|
|
|
TEST(GrisuTest, Prettify) {
|
|
EXPECT_EQ("0.0001", fmt::format("{}", 1e-4));
|
|
EXPECT_EQ("1e-05", fmt::format("{}", 1e-5));
|
|
EXPECT_EQ("9.999e-05", fmt::format("{}", 9.999e-5));
|
|
EXPECT_EQ("10000000000.0", fmt::format("{}", 1e10));
|
|
EXPECT_EQ("100000000000.0", fmt::format("{}", 1e11));
|
|
EXPECT_EQ("12340000000.0", fmt::format("{}", 1234e7));
|
|
EXPECT_EQ("12.34", fmt::format("{}", 1234e-2));
|
|
EXPECT_EQ("0.001234", fmt::format("{}", 1234e-6));
|
|
EXPECT_EQ("0.1", fmt::format("{}", 0.1f));
|
|
EXPECT_EQ("0.10000000149011612", fmt::format("{}", double(0.1f)));
|
|
}
|
|
|
|
TEST(GrisuTest, ZeroPrecision) { EXPECT_EQ("1", fmt::format("{:.0}", 1.0)); }
|
|
|
|
TEST(GrisuTest, Fallback) {
|
|
EXPECT_EQ("1e+23", fmt::format("{}", 1e23));
|
|
EXPECT_EQ("9e-265", fmt::format("{}", 9e-265));
|
|
EXPECT_EQ("5.423717798060526e+125",
|
|
fmt::format("{}", 5.423717798060526e+125));
|
|
EXPECT_EQ("1.372371880954233e-288",
|
|
fmt::format("{}", 1.372371880954233e-288));
|
|
EXPECT_EQ("55388492.622190244", fmt::format("{}", 55388492.622190244));
|
|
EXPECT_EQ("2.2506787569811123e-253",
|
|
fmt::format("{}", 2.2506787569811123e-253));
|
|
EXPECT_EQ("1103618912042992.8", fmt::format("{}", 1103618912042992.8));
|
|
// pow(2, -25) - assymetric boundaries:
|
|
EXPECT_EQ("2.9802322387695312e-08",
|
|
fmt::format("{}", 2.9802322387695312e-08));
|
|
}
|