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#include "logval.h"
#include <gtest/gtest.h>
#include <iostream>
class LogValTest : public testing::Test {
protected:
virtual void SetUp() { }
virtual void TearDown() { }
};
using namespace std;
TEST_F(LogValTest,Order) {
LogVal<double> a(-0.3);
LogVal<double> b(0.3);
LogVal<double> c(2.4);
EXPECT_LT(a,b);
EXPECT_LT(b,c);
EXPECT_LT(a,c);
EXPECT_FALSE(b < a);
EXPECT_FALSE(c < a);
EXPECT_FALSE(c < b);
EXPECT_FALSE(c < c);
EXPECT_FALSE(b < b);
EXPECT_FALSE(a < a);
}
TEST_F(LogValTest,Negate) {
LogVal<double> x(-2.4);
LogVal<double> y(2.4);
y.negate();
EXPECT_FLOAT_EQ(x,y);
}
TEST_F(LogValTest,Inverse) {
LogVal<double> x(1/2.4);
LogVal<double> y(2.4);
EXPECT_FLOAT_EQ(x,y.inverse());
}
TEST_F(LogValTest,Minus) {
LogVal<double> x(12);
LogVal<double> y(2);
LogVal<double> z1 = x - y;
LogVal<double> z2 = x;
z2 -= y;
EXPECT_FLOAT_EQ(z1, z2);
EXPECT_FLOAT_EQ(z1, 10.0);
EXPECT_FLOAT_EQ(y - x, -10.0);
}
TEST_F(LogValTest,TestOps) {
LogVal<double> x(-12.12);
LogVal<double> y(x);
cerr << x << endl;
cerr << (x*y) << endl;
cerr << (x*y + x) << endl;
cerr << (x + x*y) << endl;
cerr << log1p(-0.5) << endl;
LogVal<double> aa(0.2);
LogVal<double> bb(-0.3);
cerr << (aa + bb) << endl;
cerr << (bb + aa) << endl;
EXPECT_FLOAT_EQ((aa + bb), (bb + aa));
EXPECT_FLOAT_EQ((aa + bb), -0.1);
}
TEST_F(LogValTest,TestSizes) {
cerr << sizeof(LogVal<double>) << endl;
cerr << sizeof(LogVal<float>) << endl;
cerr << sizeof(void*) << endl;
}
int main(int argc, char** argv) {
testing::InitGoogleTest(&argc, argv);
return RUN_ALL_TESTS();
}
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