Function TEST

tests/CppUTest/UtestTest.cpp:61–77

static volatile double zero = 0.0;

TEST(UtestShell, compareDoubles)
{
    double not_a_number = zero / zero;
    double infinity = 1 / zero;
    CHECK(doubles_equal(1.0, 1.001, 0.01));
    CHECK(!doubles_equal(not_a_number, 1.001, 0.01));
    CHECK(!doubles_equal(1.0, not_a_number, 0.01));
    CHECK(!doubles_equal(1.0, 1.001, not_a_number));
    CHECK(!doubles_equal(1.0, 1.1, 0.05));
    CHECK(!doubles_equal(infinity, 1.0, 0.01));
    CHECK(!doubles_equal(1.0, infinity, 0.01));
    CHECK(doubles_equal(1.0, -1.0, infinity));
    CHECK(doubles_equal(infinity, infinity, 0.01));
    CHECK(doubles_equal(infinity, infinity, infinity));
    double a = 1.2345678;
    CHECK(doubles_equal(a, a, 0.000000001));
}

TEST(UtestShell, FailWillIncreaseTheAmountOfChecks)
{