Fix percentage in flexing parent

Summary:
If we don't measure exactly, percentage values aren't exactly either. Fix for #414.
Closes https://github.com/facebook/yoga/pull/416
Closes https://github.com/facebook/yoga/pull/414

Reviewed By: astreet

Differential Revision: D4604729

Pulled By: emilsjolander

fbshipit-source-id: 66880230073209cbe89668b838c2a82e7f9b34df
This commit is contained in:
Lukas Wöhrl
2017-02-28 06:57:55 -08:00
committed by Facebook Github Bot
parent 533f560ce0
commit 17e3dca9f9
6 changed files with 333 additions and 3 deletions

View File

@@ -951,3 +951,81 @@ TEST(YogaTest, percentage_width_height_undefined_parent_size) {
YGNodeFreeRecursive(root);
}
TEST(YogaTest, percent_within_flex_grow) {
const YGNodeRef root = YGNodeNew();
YGNodeStyleSetFlexDirection(root, YGFlexDirectionRow);
YGNodeStyleSetWidth(root, 350);
YGNodeStyleSetHeight(root, 100);
const YGNodeRef root_child0 = YGNodeNew();
YGNodeStyleSetWidth(root_child0, 100);
YGNodeInsertChild(root, root_child0, 0);
const YGNodeRef root_child1 = YGNodeNew();
YGNodeStyleSetFlexGrow(root_child1, 1);
YGNodeInsertChild(root, root_child1, 1);
const YGNodeRef root_child1_child0 = YGNodeNew();
YGNodeStyleSetWidthPercent(root_child1_child0, 100);
YGNodeInsertChild(root_child1, root_child1_child0, 0);
const YGNodeRef root_child2 = YGNodeNew();
YGNodeStyleSetWidth(root_child2, 100);
YGNodeInsertChild(root, root_child2, 2);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
ASSERT_FLOAT_EQ(350, YGNodeLayoutGetWidth(root));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child0));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetLeft(root_child1));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1));
ASSERT_FLOAT_EQ(150, YGNodeLayoutGetWidth(root_child1));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child1));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child1_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1_child0));
ASSERT_FLOAT_EQ(150, YGNodeLayoutGetWidth(root_child1_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetHeight(root_child1_child0));
ASSERT_FLOAT_EQ(250, YGNodeLayoutGetLeft(root_child2));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child2));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child2));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child2));
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionRTL);
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root));
ASSERT_FLOAT_EQ(350, YGNodeLayoutGetWidth(root));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root));
ASSERT_FLOAT_EQ(250, YGNodeLayoutGetLeft(root_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child0));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child0));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child0));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetLeft(root_child1));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1));
ASSERT_FLOAT_EQ(150, YGNodeLayoutGetWidth(root_child1));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child1));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child1_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child1_child0));
ASSERT_FLOAT_EQ(150, YGNodeLayoutGetWidth(root_child1_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetHeight(root_child1_child0));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetLeft(root_child2));
ASSERT_FLOAT_EQ(0, YGNodeLayoutGetTop(root_child2));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetWidth(root_child2));
ASSERT_FLOAT_EQ(100, YGNodeLayoutGetHeight(root_child2));
YGNodeFreeRecursive(root);
}