mirror of
https://github.com/SerenityOS/serenity
synced 2024-07-23 02:55:15 +00:00
e7eaf3b566
Reverts 98926b487c
that regressed: block-and-inline/small-percentage-margin.html
(thrashing layout while window resizing)
Fixes https://github.com/SerenityOS/serenity/issues/22610
158 lines
3.8 KiB
C++
158 lines
3.8 KiB
C++
/*
|
|
* Copyright (c) 2023, Aliaksandr Kalenik <kalenik.aliaksandr@gmail.com>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibTest/TestCase.h>
|
|
#include <LibWeb/PixelUnits.h>
|
|
|
|
namespace Web {
|
|
|
|
TEST_CASE(addition1)
|
|
{
|
|
CSSPixels a(10);
|
|
CSSPixels b(20);
|
|
CSSPixels c = a + b;
|
|
EXPECT_EQ(c, CSSPixels(30));
|
|
}
|
|
|
|
TEST_CASE(subtraction1)
|
|
{
|
|
CSSPixels a(30);
|
|
CSSPixels b(10);
|
|
CSSPixels c = a - b;
|
|
EXPECT_EQ(c, CSSPixels(20));
|
|
}
|
|
|
|
TEST_CASE(division1)
|
|
{
|
|
CSSPixels a(10);
|
|
CSSPixels b(5);
|
|
CSSPixels c = a / b;
|
|
EXPECT_EQ(c, CSSPixels(2));
|
|
|
|
a = CSSPixels::from_raw(0x3FFF'FFFF); // int_max / 2
|
|
b = CSSPixels(0.25);
|
|
EXPECT(!a.might_be_saturated());
|
|
EXPECT((a / b).might_be_saturated());
|
|
}
|
|
|
|
TEST_CASE(multiplication1)
|
|
{
|
|
CSSPixels a(3);
|
|
CSSPixels b(4);
|
|
CSSPixels c = a * b;
|
|
EXPECT_EQ(c, CSSPixels(12));
|
|
|
|
// Temporary overflow
|
|
a = CSSPixels::from_raw(0xFFFF'FFFF >> (CSSPixels::fractional_bits + 1));
|
|
b = 1;
|
|
EXPECT_EQ((a * b), a);
|
|
|
|
// Rounding
|
|
a = CSSPixels::from_raw(0b01'000001);
|
|
b = CSSPixels::from_raw(0b01'100000);
|
|
EXPECT_EQ(a * b, CSSPixels(a.to_double() * b.to_double()));
|
|
EXPECT_EQ(a * -b, CSSPixels(a.to_double() * -b.to_double()));
|
|
|
|
EXPECT_EQ(
|
|
CSSPixels::from_raw(0b01'0000011) * CSSPixels::from_raw(0b00'010000),
|
|
CSSPixels::from_raw(0b00'0100001));
|
|
EXPECT_EQ(
|
|
CSSPixels::from_raw(0b01'0000111) * CSSPixels::from_raw(0b00'010000),
|
|
CSSPixels::from_raw(0b00'0100010));
|
|
}
|
|
|
|
TEST_CASE(addition2)
|
|
{
|
|
CSSPixels a(3);
|
|
a += CSSPixels(2);
|
|
EXPECT_EQ(a, CSSPixels(5));
|
|
}
|
|
|
|
TEST_CASE(to_double)
|
|
{
|
|
CSSPixels a(10);
|
|
EXPECT_EQ(a.to_double(), 10);
|
|
}
|
|
|
|
TEST_CASE(to_float)
|
|
{
|
|
CSSPixels a(11);
|
|
EXPECT_EQ(a.to_float(), 11);
|
|
}
|
|
|
|
TEST_CASE(to_int)
|
|
{
|
|
CSSPixels b(12);
|
|
EXPECT_EQ(b.to_int(), 12);
|
|
}
|
|
|
|
TEST_CASE(comparison1)
|
|
{
|
|
EXPECT_EQ(CSSPixels(1) < CSSPixels(2), true);
|
|
}
|
|
|
|
TEST_CASE(comparison2)
|
|
{
|
|
EXPECT_EQ(CSSPixels(123) == CSSPixels(123), true);
|
|
}
|
|
|
|
TEST_CASE(saturated_addition)
|
|
{
|
|
EXPECT_EQ(CSSPixels(INFINITY), CSSPixels(INFINITY) + 1);
|
|
}
|
|
|
|
TEST_CASE(saturated_subtraction)
|
|
{
|
|
auto value = CSSPixels(INFINITY);
|
|
EXPECT_EQ(value - -1, CSSPixels(INFINITY));
|
|
}
|
|
|
|
TEST_CASE(multiplication_uses_i64_for_raw_values)
|
|
{
|
|
CSSPixels a(1200);
|
|
CSSPixels b(647);
|
|
CSSPixels c = a * b;
|
|
EXPECT_EQ(c, CSSPixels(776400));
|
|
}
|
|
|
|
TEST_CASE(rounding)
|
|
{
|
|
EXPECT_EQ(ceil(CSSPixels(0)), CSSPixels(0));
|
|
EXPECT_EQ(ceil(CSSPixels(0.5)), CSSPixels(1));
|
|
EXPECT_EQ(ceil(CSSPixels(1.3)), CSSPixels(2));
|
|
EXPECT_EQ(ceil(CSSPixels(1.5)), CSSPixels(2));
|
|
EXPECT_EQ(ceil(CSSPixels(1.7)), CSSPixels(2));
|
|
|
|
EXPECT_EQ(ceil(CSSPixels(-0.5)), CSSPixels(0));
|
|
EXPECT_EQ(ceil(CSSPixels(-1.3)), CSSPixels(-1));
|
|
EXPECT_EQ(ceil(CSSPixels(-1.5)), CSSPixels(-1));
|
|
EXPECT_EQ(ceil(CSSPixels(-1.7)), CSSPixels(-1));
|
|
|
|
EXPECT_EQ(floor(CSSPixels(0)), CSSPixels(0));
|
|
EXPECT_EQ(floor(CSSPixels(0.5)), CSSPixels(0));
|
|
EXPECT_EQ(floor(CSSPixels(1.3)), CSSPixels(1));
|
|
EXPECT_EQ(floor(CSSPixels(1.5)), CSSPixels(1));
|
|
EXPECT_EQ(floor(CSSPixels(1.7)), CSSPixels(1));
|
|
|
|
EXPECT_EQ(floor(CSSPixels(-0.5)), CSSPixels(-1));
|
|
EXPECT_EQ(floor(CSSPixels(-1.3)), CSSPixels(-2));
|
|
EXPECT_EQ(floor(CSSPixels(-1.5)), CSSPixels(-2));
|
|
EXPECT_EQ(floor(CSSPixels(-1.7)), CSSPixels(-2));
|
|
|
|
EXPECT_EQ(round(CSSPixels(0)), CSSPixels(0));
|
|
EXPECT_EQ(round(CSSPixels(0.5)), CSSPixels(1));
|
|
EXPECT_EQ(round(CSSPixels(1.3)), CSSPixels(1));
|
|
EXPECT_EQ(round(CSSPixels(1.5)), CSSPixels(2));
|
|
EXPECT_EQ(round(CSSPixels(1.7)), CSSPixels(2));
|
|
|
|
EXPECT_EQ(round(CSSPixels(-0.5)), CSSPixels(-1));
|
|
EXPECT_EQ(round(CSSPixels(-1.3)), CSSPixels(-1));
|
|
EXPECT_EQ(round(CSSPixels(-1.5)), CSSPixels(-2));
|
|
EXPECT_EQ(round(CSSPixels(-1.7)), CSSPixels(-2));
|
|
}
|
|
|
|
}
|