Files
yoga/tests/YGDirtiedTest.cpp
David Aurelio 85352c4e45 Automatic lint fixes
Summary:
@public
A round of automatic lint fixes.

Reviewed By: SidharthGuglani

Differential Revision: D14590396

fbshipit-source-id: f0b4a0ce503a1d9d46ea7ae788f9f2eac09c2ac7
2019-03-25 05:41:30 -07:00

107 lines
3.0 KiB
C++

/**
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the LICENSE
* file in the root directory of this source tree.
*/
#include <gtest/gtest.h>
#include <yoga/YGNode.h>
static void _dirtied(YGNodeRef node) {
int* dirtiedCount = (int*) node->getContext();
(*dirtiedCount)++;
}
TEST(YogaTest, dirtied) {
const YGNodeRef root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
int dirtiedCount = 0;
root->setContext(&dirtiedCount);
root->setDirtiedFunc(_dirtied);
ASSERT_EQ(0, dirtiedCount);
// `_dirtied` MUST be called in case of explicit dirtying.
root->setDirty(true);
ASSERT_EQ(1, dirtiedCount);
// `_dirtied` MUST be called ONCE.
root->setDirty(true);
ASSERT_EQ(1, dirtiedCount);
}
TEST(YogaTest, dirtied_propagation) {
const YGNodeRef root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
const YGNodeRef root_child0 = YGNodeNew();
YGNodeStyleSetWidth(root_child0, 50);
YGNodeStyleSetHeight(root_child0, 20);
YGNodeInsertChild(root, root_child0, 0);
const YGNodeRef root_child1 = YGNodeNew();
YGNodeStyleSetWidth(root_child1, 50);
YGNodeStyleSetHeight(root_child1, 20);
YGNodeInsertChild(root, root_child1, 1);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
int dirtiedCount = 0;
root->setContext(&dirtiedCount);
root->setDirtiedFunc(_dirtied);
ASSERT_EQ(0, dirtiedCount);
// `_dirtied` MUST be called for the first time.
root_child0->markDirtyAndPropogate();
ASSERT_EQ(1, dirtiedCount);
// `_dirtied` must NOT be called for the second time.
root_child0->markDirtyAndPropogate();
ASSERT_EQ(1, dirtiedCount);
}
TEST(YogaTest, dirtied_hierarchy) {
const YGNodeRef root = YGNodeNew();
YGNodeStyleSetAlignItems(root, YGAlignFlexStart);
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
const YGNodeRef root_child0 = YGNodeNew();
YGNodeStyleSetWidth(root_child0, 50);
YGNodeStyleSetHeight(root_child0, 20);
YGNodeInsertChild(root, root_child0, 0);
const YGNodeRef root_child1 = YGNodeNew();
YGNodeStyleSetWidth(root_child1, 50);
YGNodeStyleSetHeight(root_child1, 20);
YGNodeInsertChild(root, root_child1, 1);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
int dirtiedCount = 0;
root_child0->setContext(&dirtiedCount);
root_child0->setDirtiedFunc(_dirtied);
ASSERT_EQ(0, dirtiedCount);
// `_dirtied` must NOT be called for descendants.
root->markDirtyAndPropogate();
ASSERT_EQ(0, dirtiedCount);
// `_dirtied` must NOT be called for the sibling node.
root_child1->markDirtyAndPropogate();
ASSERT_EQ(0, dirtiedCount);
// `_dirtied` MUST be called in case of explicit dirtying.
root_child0->markDirtyAndPropogate();
ASSERT_EQ(1, dirtiedCount);
}