assert 用go、junit风格编写的测试断言

断言用go、junit风格编写的测试断言。用法示例： func TestCats(t *testing.T) { assert := Assert(t) cat1 := &Cat{} cat2 := &Cat{} // Cat1 and Cat2 start out as identical cats (same position, etc.) assert.Equal(cat1, cat2) // But they are not the SAME cat assert.NotSame(cat1, cat2) // However, identity should hold assert.Same(cat1, cat1) // Cat1 gets bored. cat1.Jump(3) // Now they are in d