forked from lijiext/lammps
45 lines
1.1 KiB
C++
45 lines
1.1 KiB
C++
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#include "gtest/gtest.h"
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#include <sstream>
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#include <string>
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// include the implementation since ErrorStats is a standalone class
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// this way we don't have to link against the style_tests and lammps libs
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#include "error_stats.cpp"
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#include "fmtlib_format.cpp"
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#include "fmtlib_os.cpp"
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TEST(ErrorStats, test)
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{
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ErrorStats stats;
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stats.add(0.5);
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stats.add(0.1);
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stats.add(2.0);
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stats.add(0.3);
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stats.add(0);
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ASSERT_DOUBLE_EQ(stats.avg(), 0.58);
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ASSERT_DOUBLE_EQ(stats.dev(), 0.73047929470998685);
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ASSERT_DOUBLE_EQ(stats.max(), 2.0);
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ASSERT_EQ(stats.idx(), 3);
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std::stringstream out;
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out << stats;
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ASSERT_EQ(out.str(), "Average: 5.800e-01 StdDev: 7.305e-01 MaxErr: 2.000e+00 @ item: 3.0");
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stats.reset();
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ASSERT_EQ(stats.has_data(), false);
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ASSERT_DOUBLE_EQ(stats.avg(), 0.0);
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ASSERT_DOUBLE_EQ(stats.dev(), 0.0);
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ASSERT_DOUBLE_EQ(stats.max(), 0.0);
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ASSERT_EQ(stats.idx(), -1);
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stats.add(1.0);
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ASSERT_EQ(stats.has_data(), true);
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ASSERT_DOUBLE_EQ(stats.avg(), 1.0);
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ASSERT_DOUBLE_EQ(stats.dev(), 0.0);
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ASSERT_DOUBLE_EQ(stats.max(), 1.0);
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ASSERT_EQ(stats.idx(), 1);
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}
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