b8cb2c30f8
Introduces a new, more natural notation for writing unit strings, for use in YAML input files. Unlike 'toSI', conversions are checked for dimensional consistency.
32 lines
1.2 KiB
C++
32 lines
1.2 KiB
C++
#include "gtest/gtest.h"
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#include "cantera/base/Units.h"
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using namespace Cantera;
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TEST(Units, convert_to_base_units) {
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UnitSystem U;
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EXPECT_DOUBLE_EQ(U.convert(1.0, "Pa", "kg/m/s^2"), 1.0);
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EXPECT_DOUBLE_EQ(U.convert(1.0, "J", "kg*m^2/s^2"), 1.0);
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EXPECT_DOUBLE_EQ(U.convert(1.0, "ohm", "kg*m^2/s^3/A^2"), 1.0);
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EXPECT_DOUBLE_EQ(U.convert(1.0, "V", "kg*m^2/A*s^-3"), 1.0);
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EXPECT_DOUBLE_EQ(U.convert(1.0, "coulomb", "A*s"), 1.0);
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}
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TEST(Units, notation) {
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UnitSystem U;
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EXPECT_DOUBLE_EQ(U.convert(2.0, "m^2", "m*m"), 2.0);
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EXPECT_DOUBLE_EQ(U.convert(3.0, "", "kg/kg"), 3.0);
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EXPECT_DOUBLE_EQ(U.convert(1.0, "1/m^2", "m^-2"), 1.0);
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EXPECT_DOUBLE_EQ(U.convert(4.0, "s^3", "s^5/s^2"), 4.0);
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EXPECT_DOUBLE_EQ(U.convert(1.0, "kg * m/s ^2", "s^-2*kg*m"), 1.0);
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EXPECT_DOUBLE_EQ(U.convert(1.0, " kg*m / s^ 2", "s ^-2 * kg*m"), 1.0);
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}
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TEST(Units, basic_conversions) {
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UnitSystem U;
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EXPECT_DOUBLE_EQ(U.convert(100, "cm", "m"), 1.0);
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EXPECT_DOUBLE_EQ(U.convert(2, "kmol", "mol"), 2000);
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EXPECT_DOUBLE_EQ(U.convert(1000, "cal", "J"), 4184);
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EXPECT_DOUBLE_EQ(U.convert(2, "m^3", "l"), 2000);
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EXPECT_DOUBLE_EQ(U.convert(1, "atm", "Pa"), 101325);
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}
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