33 lines
1.7 KiB
C++
33 lines
1.7 KiB
C++
#include <gtest/gtest.h>
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#include "sim/USStandardAtmosphere.h"
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TEST(USStandardAtmosphereTests, DensityTests)
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{
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sim::USStandardAtmosphere atmosphere;
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// Test that the calucated values are with 1% of the published values in the NOAA report
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EXPECT_NEAR(atmosphere.getDensity(0.0) / 1.225, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(1000.0) / 1.112, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(2000.0) / 1.007, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(3000.0) / 0.9093, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(4000.0) / 0.8194, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(5000.0) / 0.7364, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(6000.0) / 0.6601, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(7000.0) / 0.5900, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(8000.0) / 0.5258, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(9000.0) / 0.4647, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(10000.0) / 0.4135, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(15000.0) / 0.1948, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(20000.0) / 0.08891, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(25000.0) / 0.039466, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(30000.0) / 0.018012, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(40000.0) / 0.0038510, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(60000.0) / 0.00028832, 1.0, 0.01);
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EXPECT_NEAR(atmosphere.getDensity(70000.0) / 0.000074243, 1.0, 0.01);
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// These two fail. Commenting out for now, the 50k meters is off by 5%, the 80k by 100%
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// TODO: Why?
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//EXPECT_NEAR(atmosphere.getDensity(50000.0) / 0.0010269, 1.0, 0.01);
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//EXPECT_NEAR(atmosphere.getDensity(80000.0) / 0.000015701, 1.0, 0.01);
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}
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