tests/org.eclipse.epsilon.eol.engine.test.acceptance/src/org/eclipse/epsilon/eol/engine/test/acceptance/MathTests.eol

@test
operation testAdd() {
	assertEquals(1 + 1, 2);
}

@test
operation equalNumbers() {
	assertEquals(1, 1.0f);
	assertEquals(1.0d, 1.0f);
	assertEquals(1, 1.0d);
}

@test
operation equalRealNumbers() {
	assertEquals(42, 42.0);
	assertEquals(42, 4.2e1);
	assertEquals(42, 4.2e+1);
	assertEquals(42, 420e-1);
	assertEquals(42, 4.2E1);
	assertEquals(42, 4.2E+1);
	assertEquals(42, 420E-1);
	assertEquals(42d, 42f);
	assertEquals(42D, 42F);
}

@test
operation testAddNegative() {
	assertEquals(1 + (-2), -1);
}

@test
operation testIntegerEqualsDouble() {
	assertEquals(1.0d.asInteger(), 1);
}

@test
operation testIntegerEqualsFloat() {
	assertEquals(1.0f.asInteger(), 1);
}

@test
operation testFloatEqualsDouble() {
	assertEquals(1.0f.asDouble(), 1.0d);
}

@test
operation testConvertStringToReal() {
	assertEquals("2.0".asReal(), 2.0f);
}

@test
operation testMultiply() {
	assertEquals(2 * 4, 8);
}

@test
operation testMultiplyWithFloat() {
	assertEquals(3 * 0.5, 1.5);
}

@test
operation testDivide() {
	assertEquals(2 / 4, 0);
}

@test
operation testDivideWithFloatResult() {
	assertEquals(2 / 4.0, 0.5);
}

@test
operation testDivideByZero() {
	assertError(1 / 0);
}

@test
operation testDivideString() {
	assertError("foo" / 2);
}

@test
operation testMin() {
	assertEquals(1.min(2.0), 1);
}

@test
operation textMax() {
	assertEquals(2.max(3.1d), 3.1d);
}

@test
operation testIntegerTo() {
	assertEquals(1.to(5), Sequence{1, 2, 3, 4, 5});
}

@test
operation testIntegerToReverse() {
	assertEquals(5.to(1), Sequence{5, 4, 3, 2, 1});
}

@test
operation testIntegerToSame() {
	assertEquals(1.to(1), Sequence{1});
}

@test
operation testPow() {
	assertEquals(2.pow(3), 8);
	assertEquals(2.pow(3).type(), Integer);
	assertEquals(2.pow(-1), 0.5);
}

@test
operation testIota() {
	assertEquals(0.iota(10, 2), Sequence{0, 2, 4, 6, 8, 10});
	assertEquals(0.iota(10, 3), Sequence{0, 3, 6, 9});
	assertError(0.iota(10, 0));
}

@test
operation testLog() {
	assertEquals(1.log(), 0);
	assertEquals(2.log().asString().substring(0, 4), "0.69");
}

@test
operation testLog10() {
	assertEquals(10.log10(), 1);
}