Reverted commit D3856585
Summary: Add tests to check that measure modes are set correctly. Reviewed By: lucasr Differential Revision: D3856585 fbshipit-source-id: 421b368d2d2cbca1d2ba4d58d850836cb22128ac
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Ben Hiller
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Facebook Github Bot
Facebook Github Bot
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/**
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* Copyright (c) 2014-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <CSSLayout/CSSLayout.h>
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#include <gtest/gtest.h>
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struct _MeasureConstraint {
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float width;
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CSSMeasureMode widthMode;
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float height;
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CSSMeasureMode heightMode;
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};
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struct _MeasureConstraintList {
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uint32_t length;
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struct _MeasureConstraint *constraints;
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};
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static CSSSize _measure(void *context,
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float width,
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CSSMeasureMode widthMode,
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float height,
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CSSMeasureMode heightMode) {
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struct _MeasureConstraintList *constraintList = (struct _MeasureConstraintList *)context;
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struct _MeasureConstraint *constraints = constraintList->constraints;
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uint32_t currentIndex = constraintList->length;
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(&constraints[currentIndex])->width = width;
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(&constraints[currentIndex])->widthMode = widthMode;
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(&constraints[currentIndex])->height = height;
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(&constraints[currentIndex])->heightMode = heightMode;
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constraintList->length = currentIndex + 1;
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return CSSSize {
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.width = widthMode == CSSMeasureModeUndefined ? 10 : width,
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.height = heightMode == CSSMeasureModeUndefined ? 10 : width,
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};
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}
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TEST(CSSLayoutTest, exactly_measure_stretched_child_column) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetWidth(root, 100);
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CSSNodeStyleSetHeight(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].width);
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ASSERT_EQ(CSSMeasureModeExactly, constraintList.constraints[0].widthMode);
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}
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TEST(CSSLayoutTest, exactly_measure_stretched_child_row) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetFlexDirection(root, CSSFlexDirectionRow);
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CSSNodeStyleSetWidth(root, 100);
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CSSNodeStyleSetHeight(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].height);
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ASSERT_EQ(CSSMeasureModeExactly, constraintList.constraints[0].heightMode);
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}
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TEST(CSSLayoutTest, at_most_main_axis_column) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetWidth(root, 100);
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CSSNodeStyleSetHeight(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].height);
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ASSERT_EQ(CSSMeasureModeAtMost, constraintList.constraints[0].heightMode);
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}
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TEST(CSSLayoutTest, at_most_cross_axis_column) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetAlignItems(root, CSSAlignFlexStart);
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CSSNodeStyleSetWidth(root, 100);
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CSSNodeStyleSetHeight(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].width);
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ASSERT_EQ(CSSMeasureModeAtMost, constraintList.constraints[0].widthMode);
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}
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TEST(CSSLayoutTest, at_most_main_axis_row) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetFlexDirection(root, CSSFlexDirectionRow);
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CSSNodeStyleSetWidth(root, 100);
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CSSNodeStyleSetHeight(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].width);
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ASSERT_EQ(CSSMeasureModeAtMost, constraintList.constraints[0].widthMode);
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}
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TEST(CSSLayoutTest, at_most_cross_axis_row) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetFlexDirection(root, CSSFlexDirectionRow);
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CSSNodeStyleSetAlignItems(root, CSSAlignFlexStart);
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CSSNodeStyleSetWidth(root, 100);
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CSSNodeStyleSetHeight(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].height);
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ASSERT_EQ(CSSMeasureModeAtMost, constraintList.constraints[0].heightMode);
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}
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TEST(CSSLayoutTest, flex_child) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetHeight(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeStyleSetFlexGrow(root_child0, 1);
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(2, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].height);
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ASSERT_EQ(CSSMeasureModeAtMost, constraintList.constraints[0].heightMode);
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ASSERT_EQ(100, constraintList.constraints[1].height);
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ASSERT_EQ(CSSMeasureModeExactly, constraintList.constraints[1].heightMode);
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}
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TEST(CSSLayoutTest, flex_child_with_flex_basis) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetHeight(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeStyleSetFlexGrow(root_child0, 1);
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CSSNodeStyleSetFlexBasis(root_child0, 0);
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].height);
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ASSERT_EQ(CSSMeasureModeExactly, constraintList.constraints[0].heightMode);
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}
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TEST(CSSLayoutTest, overflow_scroll_column) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetAlignItems(root, CSSAlignFlexStart);
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CSSNodeStyleSetOverflow(root, CSSOverflowScroll);
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CSSNodeStyleSetHeight(root, 100);
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CSSNodeStyleSetWidth(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_EQ(100, constraintList.constraints[0].width);
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ASSERT_EQ(CSSMeasureModeAtMost, constraintList.constraints[0].widthMode);
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ASSERT_TRUE(CSSValueIsUndefined(constraintList.constraints[0].height));
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ASSERT_EQ(CSSMeasureModeUndefined, constraintList.constraints[0].heightMode);
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}
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TEST(CSSLayoutTest, overflow_scroll_row) {
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struct _MeasureConstraintList constraintList = _MeasureConstraintList {
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.length = 0,
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.constraints = (struct _MeasureConstraint *) malloc(10 * sizeof(struct _MeasureConstraint)),
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};
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const CSSNodeRef root = CSSNodeNew();
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CSSNodeStyleSetAlignItems(root, CSSAlignFlexStart);
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CSSNodeStyleSetFlexDirection(root, CSSFlexDirectionRow);
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CSSNodeStyleSetOverflow(root, CSSOverflowScroll);
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CSSNodeStyleSetHeight(root, 100);
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CSSNodeStyleSetWidth(root, 100);
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const CSSNodeRef root_child0 = CSSNodeNew();
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CSSNodeSetContext(root_child0, &constraintList);
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CSSNodeSetMeasureFunc(root_child0, _measure);
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CSSNodeInsertChild(root, root_child0, 0);
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CSSNodeCalculateLayout(root, CSSUndefined, CSSUndefined, CSSDirectionLTR);
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ASSERT_EQ(1, constraintList.length);
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ASSERT_TRUE(CSSValueIsUndefined(constraintList.constraints[0].width));
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ASSERT_EQ(CSSMeasureModeUndefined, constraintList.constraints[0].widthMode);
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ASSERT_EQ(100, constraintList.constraints[0].height);
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ASSERT_EQ(CSSMeasureModeAtMost, constraintList.constraints[0].heightMode);
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}
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