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56 lines
1.7 KiB
C++
56 lines
1.7 KiB
C++
// Formatting library for C++ - Grisu tests
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//
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// Copyright (c) 2012 - present, Victor Zverovich
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// All rights reserved.
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//
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// For the license information refer to format.h.
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#include "fmt/format.h"
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#include "gtest.h"
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static bool reported_skipped;
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#undef TEST
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#define TEST(test_fixture, test_name) \
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void test_fixture##test_name(); \
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GTEST_TEST(test_fixture, test_name) { \
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if (FMT_USE_GRISU) { \
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test_fixture##test_name(); \
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} else if (!reported_skipped) { \
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reported_skipped = true; \
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fmt::print("Skipping Grisu tests.\n"); \
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} \
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} \
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void test_fixture##test_name()
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TEST(GrisuTest, NaN) {
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auto nan = std::numeric_limits<double>::quiet_NaN();
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EXPECT_EQ("nan", fmt::format("{}", nan));
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EXPECT_EQ("-nan", fmt::format("{}", -nan));
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}
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TEST(GrisuTest, Inf) {
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auto inf = std::numeric_limits<double>::infinity();
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EXPECT_EQ("inf", fmt::format("{}", inf));
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EXPECT_EQ("-inf", fmt::format("{}", -inf));
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}
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TEST(GrisuTest, Zero) { EXPECT_EQ("0.0", fmt::format("{}", 0.0)); }
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TEST(GrisuTest, Round) {
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EXPECT_EQ("1.9156918820264798e-56",
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fmt::format("{}", 1.9156918820264798e-56));
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}
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TEST(GrisuTest, Prettify) {
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EXPECT_EQ("0.0001", fmt::format("{}", 1e-4));
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EXPECT_EQ("1e-5", fmt::format("{}", 1e-5));
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EXPECT_EQ("9.999e-5", fmt::format("{}", 9.999e-5));
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EXPECT_EQ("10000000000.0", fmt::format("{}", 1e10));
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EXPECT_EQ("1e+11", fmt::format("{}", 1e11));
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EXPECT_EQ("12340000000.0", fmt::format("{}", 1234e7));
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EXPECT_EQ("12.34", fmt::format("{}", 1234e-2));
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EXPECT_EQ("0.001234", fmt::format("{}", 1234e-6));
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}
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