align_self_test.go

package flex

import "testing"

func TestAlign_self_center(t *testing.T) {
	config := NewConfig()

	root := NewNodeWithConfig(config)
	root.StyleSetWidth(100)
	root.StyleSetHeight(100)

	rootChild0 := NewNodeWithConfig(config)
	rootChild0.StyleSetAlignSelf(AlignCenter)
	rootChild0.StyleSetWidth(10)
	rootChild0.StyleSetHeight(10)
	root.InsertChild(rootChild0, 0)
	CalculateLayout(root, Undefined, Undefined, DirectionLTR)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 45, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 10, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild0.LayoutGetHeight())

	CalculateLayout(root, Undefined, Undefined, DirectionRTL)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 45, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 10, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild0.LayoutGetHeight())
}

func TestAlign_self_flex_end(t *testing.T) {
	config := NewConfig()

	root := NewNodeWithConfig(config)
	root.StyleSetWidth(100)
	root.StyleSetHeight(100)

	rootChild0 := NewNodeWithConfig(config)
	rootChild0.StyleSetAlignSelf(AlignFlexEnd)
	rootChild0.StyleSetWidth(10)
	rootChild0.StyleSetHeight(10)
	root.InsertChild(rootChild0, 0)
	CalculateLayout(root, Undefined, Undefined, DirectionLTR)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 90, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 10, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild0.LayoutGetHeight())

	CalculateLayout(root, Undefined, Undefined, DirectionRTL)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 0, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 10, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild0.LayoutGetHeight())
}

func TestAlign_self_flex_start(t *testing.T) {
	config := NewConfig()

	root := NewNodeWithConfig(config)
	root.StyleSetWidth(100)
	root.StyleSetHeight(100)

	rootChild0 := NewNodeWithConfig(config)
	rootChild0.StyleSetAlignSelf(AlignFlexStart)
	rootChild0.StyleSetWidth(10)
	rootChild0.StyleSetHeight(10)
	root.InsertChild(rootChild0, 0)
	CalculateLayout(root, Undefined, Undefined, DirectionLTR)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 0, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 10, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild0.LayoutGetHeight())

	CalculateLayout(root, Undefined, Undefined, DirectionRTL)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 90, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 10, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild0.LayoutGetHeight())
}

func TestAlign_self_flex_end_override_flex_start(t *testing.T) {
	config := NewConfig()

	root := NewNodeWithConfig(config)
	root.StyleSetAlignItems(AlignFlexStart)
	root.StyleSetWidth(100)
	root.StyleSetHeight(100)

	rootChild0 := NewNodeWithConfig(config)
	rootChild0.StyleSetAlignSelf(AlignFlexEnd)
	rootChild0.StyleSetWidth(10)
	rootChild0.StyleSetHeight(10)
	root.InsertChild(rootChild0, 0)
	CalculateLayout(root, Undefined, Undefined, DirectionLTR)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 90, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 10, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild0.LayoutGetHeight())

	CalculateLayout(root, Undefined, Undefined, DirectionRTL)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 0, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 10, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild0.LayoutGetHeight())
}

func TestAlign_self_baseline(t *testing.T) {
	config := NewConfig()

	root := NewNodeWithConfig(config)
	root.StyleSetFlexDirection(FlexDirectionRow)
	root.StyleSetWidth(100)
	root.StyleSetHeight(100)

	rootChild0 := NewNodeWithConfig(config)
	rootChild0.StyleSetAlignSelf(AlignBaseline)
	rootChild0.StyleSetWidth(50)
	rootChild0.StyleSetHeight(50)
	root.InsertChild(rootChild0, 0)

	rootChild1 := NewNodeWithConfig(config)
	rootChild1.StyleSetAlignSelf(AlignBaseline)
	rootChild1.StyleSetWidth(50)
	rootChild1.StyleSetHeight(20)
	root.InsertChild(rootChild1, 1)

	rootChild1child0 := NewNodeWithConfig(config)
	rootChild1child0.StyleSetWidth(50)
	rootChild1child0.StyleSetHeight(10)
	rootChild1.InsertChild(rootChild1child0, 0)
	CalculateLayout(root, Undefined, Undefined, DirectionLTR)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 0, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 50, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 50, rootChild0.LayoutGetHeight())

	assertFloatEqual(t, 50, rootChild1.LayoutGetLeft())
	assertFloatEqual(t, 40, rootChild1.LayoutGetTop())
	assertFloatEqual(t, 50, rootChild1.LayoutGetWidth())
	assertFloatEqual(t, 20, rootChild1.LayoutGetHeight())

	assertFloatEqual(t, 0, rootChild1child0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild1child0.LayoutGetTop())
	assertFloatEqual(t, 50, rootChild1child0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild1child0.LayoutGetHeight())

	CalculateLayout(root, Undefined, Undefined, DirectionRTL)

	assertFloatEqual(t, 0, root.LayoutGetLeft())
	assertFloatEqual(t, 0, root.LayoutGetTop())
	assertFloatEqual(t, 100, root.LayoutGetWidth())
	assertFloatEqual(t, 100, root.LayoutGetHeight())

	assertFloatEqual(t, 50, rootChild0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild0.LayoutGetTop())
	assertFloatEqual(t, 50, rootChild0.LayoutGetWidth())
	assertFloatEqual(t, 50, rootChild0.LayoutGetHeight())

	assertFloatEqual(t, 0, rootChild1.LayoutGetLeft())
	assertFloatEqual(t, 40, rootChild1.LayoutGetTop())
	assertFloatEqual(t, 50, rootChild1.LayoutGetWidth())
	assertFloatEqual(t, 20, rootChild1.LayoutGetHeight())

	assertFloatEqual(t, 0, rootChild1child0.LayoutGetLeft())
	assertFloatEqual(t, 0, rootChild1child0.LayoutGetTop())
	assertFloatEqual(t, 50, rootChild1child0.LayoutGetWidth())
	assertFloatEqual(t, 10, rootChild1child0.LayoutGetHeight())
}