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[test] Add utest to assert our dtoa implementation precision

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Thiago Marcos P. Santos
2017-07-12 14:16:39 +03:00
parent 06719ae42f
commit 32bef80eec
2 changed files with 25 additions and 0 deletions
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1
cmake/test-files.cmake
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@@ -120,6 +120,7 @@ set(MBGL_TEST_FILES
# util
test/util/async_task.test.cpp
test/util/dtoa.test.cpp
test/util/geo.test.cpp
test/util/http_timeout.test.cpp
test/util/image.test.cpp

24
test/util/dtoa.test.cpp Normal file
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@@ -0,0 +1,24 @@
#include <mbgl/test/util.hpp>
#include <mbgl/util/dtoa.hpp>
#include <cfloat>
#include <cmath>
using namespace mbgl;
TEST(Dtoa, Precision) {
EXPECT_EQ(M_E, std::stod(util::dtoa(M_E)));
EXPECT_EQ(M_LOG2E, std::stod(util::dtoa(M_LOG2E)));
EXPECT_EQ(M_LOG10E, std::stod(util::dtoa(M_LOG10E)));
EXPECT_EQ(M_LN2, std::stod(util::dtoa(M_LN2)));
EXPECT_EQ(M_LN10, std::stod(util::dtoa(M_LN10)));
EXPECT_EQ(M_PI, std::stod(util::dtoa(M_PI)));
EXPECT_EQ(M_PI_2, std::stod(util::dtoa(M_PI_2)));
EXPECT_EQ(M_PI_4, std::stod(util::dtoa(M_PI_4)));
EXPECT_EQ(M_1_PI, std::stod(util::dtoa(M_1_PI)));
EXPECT_EQ(M_2_PI, std::stod(util::dtoa(M_2_PI)));
EXPECT_EQ(M_2_SQRTPI, std::stod(util::dtoa(M_2_SQRTPI)));
EXPECT_EQ(M_SQRT2, std::stod(util::dtoa(M_SQRT2)));
EXPECT_EQ(M_SQRT1_2, std::stod(util::dtoa(M_SQRT1_2)));
}