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Reset the hadOverflow flag at the beginning of the algorithm

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Summary:
This fixes the case where we change the layout, so that it doesn't overflow anymore.

This also improves the readability by using `|=` instead of referencing the value twice.
Closes https://github.com/facebook/yoga/pull/587

Differential Revision: D5388657

Pulled By: emilsjolander

fbshipit-source-id: ce1b1ded1feed7314a2c16bf695f62b866c19ea0
This commit is contained in:
Lukas Wöhrl
2017-07-10 11:49:21 -07:00
committed by Facebook Github Bot
parent 24e2fc95dd
commit 7640cd667f
2 changed files with 29 additions and 2 deletions
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24
tests/YGHadOverflowTest.cpp
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@@ -80,6 +80,30 @@ TEST_F(YogaTest_HadOverflowTests, no_overflow_no_wrap_and_flex_children) {
ASSERT_FALSE(YGNodeLayoutGetHadOverflow(root));
}
TEST_F(YogaTest_HadOverflowTests, hadOverflow_gets_reset_if_not_logger_valid) {
const YGNodeRef child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(child0, 80);
YGNodeStyleSetHeight(child0, 40);
YGNodeStyleSetMargin(child0, YGEdgeTop, 10);
YGNodeStyleSetMargin(child0, YGEdgeBottom, 10);
YGNodeInsertChild(root, child0, 0);
const YGNodeRef child1 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(child1, 80);
YGNodeStyleSetHeight(child1, 40);
YGNodeStyleSetMargin(child1, YGEdgeBottom, 5);
YGNodeInsertChild(root, child1, 1);
YGNodeCalculateLayout(root, 200, 100, YGDirectionLTR);
ASSERT_TRUE(YGNodeLayoutGetHadOverflow(root));
YGNodeStyleSetFlexShrink(child1, 1);
YGNodeCalculateLayout(root, 200, 100, YGDirectionLTR);
ASSERT_FALSE(YGNodeLayoutGetHadOverflow(root));
}
TEST_F(YogaTest_HadOverflowTests, spacing_overflow_in_nested_nodes) {
const YGNodeRef child0 = YGNodeNewWithConfig(config);
YGNodeStyleSetWidth(child0, 80);