Files
yoga/tests/CSSLayoutMeasureTest.cpp
Emil Sjolander dda24b1e23 Rename C api
Summary: This renames the core C api to use the new Yoga branding.

Differential Revision: D4259190

fbshipit-source-id: 26c8b356ca464d4304f5f9dc4192bff10cea2dc9
2016-12-03 04:53:38 -08:00

80 lines
2.2 KiB
C++

/**
* Copyright (c) 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
#include <CSSLayout/Yoga.h>
#include <gtest/gtest.h>
static YGSize _measure(YGNodeRef node,
float width,
YGMeasureMode widthMode,
float height,
YGMeasureMode heightMode) {
int *measureCount = (int*) YGNodeGetContext(node);
if (measureCount) {
(*measureCount)++;
}
return YGSize {
.width = 10,
.height = 10,
};
}
TEST(YogaTest, dont_measure_single_grow_shrink_child) {
const YGNodeRef root = YGNodeNew();
YGNodeStyleSetWidth(root, 100);
YGNodeStyleSetHeight(root, 100);
int measureCount = 0;
const YGNodeRef root_child0 = YGNodeNew();
YGNodeSetContext(root_child0, &measureCount);
YGNodeSetMeasureFunc(root_child0, _measure);
YGNodeStyleSetFlexGrow(root_child0, 1);
YGNodeStyleSetFlexShrink(root_child0, 1);
YGNodeInsertChild(root, root_child0, 0);
YGNodeCalculateLayout(root, YGUndefined, YGUndefined, YGDirectionLTR);
ASSERT_EQ(0, measureCount);
YGNodeFreeRecursive(root);
}
#if GTEST_HAS_DEATH_TEST
TEST(YogaTest, cannot_add_child_to_node_with_measure_func) {
const YGNodeRef root = YGNodeNew();
YGNodeSetMeasureFunc(root, _measure);
const YGNodeRef root_child0 = YGNodeNew();
ASSERT_DEATH(YGNodeInsertChild(root, root_child0, 0), "Cannot add child.*");
YGNodeFree(root_child0);
YGNodeFreeRecursive(root);
}
TEST(YogaTest, cannot_add_nonnull_measure_func_to_non_leaf_node) {
const YGNodeRef root = YGNodeNew();
const YGNodeRef root_child0 = YGNodeNew();
YGNodeInsertChild(root, root_child0, 0);
ASSERT_DEATH(YGNodeSetMeasureFunc(root, _measure), "Cannot set measure function.*");
YGNodeFreeRecursive(root);
}
TEST(YogaTest, can_nullify_measure_func_on_any_node) {
const YGNodeRef root = YGNodeNew();
YGNodeInsertChild(root, YGNodeNew(), 0);
YGNodeSetMeasureFunc(root, NULL);
ASSERT_TRUE(YGNodeGetMeasureFunc(root) == NULL);
YGNodeFreeRecursive(root);
}
#endif