140 lines
4.2 KiB
C
140 lines
4.2 KiB
C
/**
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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 "CSSLayoutTestUtils.h"
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#include <stdlib.h>
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#ifdef _MSC_VER
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#include <float.h>
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#define isnan _isnan
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/* define fmaxf & fminf if < VC12 */
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#if _MSC_VER < 1800
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__forceinline const float fmaxf(const float a, const float b) {
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return (a > b) ? a : b;
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}
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__forceinline const float fminf(const float a, const float b) {
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return (a < b) ? a : b;
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}
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#endif
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#endif
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static bool eq(float a, float b) {
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return fabs(a - b) < 0.0001;
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}
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static bool are_layout_equal(css_node_t *a, css_node_t *b) {
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if (!eq(a->layout.dimensions[CSS_WIDTH], b->layout.dimensions[CSS_WIDTH]) ||
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!eq(a->layout.dimensions[CSS_HEIGHT], b->layout.dimensions[CSS_HEIGHT]) ||
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!eq(a->layout.position[CSS_TOP], b->layout.position[CSS_TOP]) ||
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!eq(a->layout.position[CSS_LEFT], b->layout.position[CSS_LEFT]) ||
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!eq(a->children_count, b->children_count)) {
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return false;
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}
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for (int i = 0; i < a->children_count; ++i) {
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if (!are_layout_equal(a->get_child(a->context, i), b->get_child(b->context, i))) {
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return false;
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}
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}
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return true;
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}
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css_dim_t measure(void *context, float width, css_measure_mode_t widthMode, float height, css_measure_mode_t heightMode) {
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const char *text = (const char *)context;
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css_dim_t dim;
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if (strcmp(text, SMALL_TEXT) == 0) {
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if (widthMode == CSS_MEASURE_MODE_UNDEFINED) {
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width = 1000000;
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}
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dim.dimensions[CSS_WIDTH] = fminf(SMALL_WIDTH, width);
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dim.dimensions[CSS_HEIGHT] = SMALL_WIDTH > width ? BIG_HEIGHT : SMALL_HEIGHT;
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return dim;
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}
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if (strcmp(text, LONG_TEXT) == 0) {
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if (widthMode == CSS_MEASURE_MODE_UNDEFINED) {
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width = 1000000;
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}
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dim.dimensions[CSS_WIDTH] = fminf(BIG_WIDTH, width);
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dim.dimensions[CSS_HEIGHT] = BIG_WIDTH > width ? BIG_HEIGHT : SMALL_HEIGHT;
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return dim;
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}
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if (strcmp(text, MEASURE_WITH_RATIO_2) == 0) {
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if (widthMode == CSS_MEASURE_MODE_EXACTLY) {
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dim.dimensions[CSS_WIDTH] = width;
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dim.dimensions[CSS_HEIGHT] = width * 2;
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} else if (heightMode == CSS_MEASURE_MODE_EXACTLY) {
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dim.dimensions[CSS_WIDTH] = height * 2;
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dim.dimensions[CSS_HEIGHT] = height;
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} else if (widthMode == CSS_MEASURE_MODE_AT_MOST) {
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dim.dimensions[CSS_WIDTH] = width;
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dim.dimensions[CSS_HEIGHT] = width * 2;
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} else if (heightMode == CSS_MEASURE_MODE_AT_MOST) {
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dim.dimensions[CSS_WIDTH] = height * 2;
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dim.dimensions[CSS_HEIGHT] = height;
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} else {
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dim.dimensions[CSS_WIDTH] = 99999;
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dim.dimensions[CSS_HEIGHT] = 99999;
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}
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return dim;
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}
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if (strcmp(text, MEASURE_WITH_MATCH_PARENT) == 0) {
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if (widthMode == CSS_MEASURE_MODE_UNDEFINED) {
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width = 99999;
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}
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if (heightMode == CSS_MEASURE_MODE_UNDEFINED) {
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height = 99999;
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}
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dim.dimensions[CSS_WIDTH] = width;
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dim.dimensions[CSS_HEIGHT] = height;
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return dim;
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}
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// Should not go here
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dim.dimensions[CSS_WIDTH] = CSS_UNDEFINED;
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dim.dimensions[CSS_HEIGHT] = CSS_UNDEFINED;
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return dim;
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}
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bool test(css_node_t *style, css_node_t *expected_layout) {
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layoutNode(style, CSS_UNDEFINED, CSS_UNDEFINED, (css_direction_t)-1);
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return are_layout_equal(style, expected_layout);
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}
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static css_node_t* get_child(void *context, int i) {
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css_node_t* children = (css_node_t*)context;
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return &children[i];
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}
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static bool is_dirty(void *context) {
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(void)context; // remove unused warning
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return true;
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}
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static void init_test_css_node(css_node_t *node) {
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node->get_child = get_child;
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node->is_dirty = is_dirty;
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}
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css_node_t *new_test_css_node(void) {
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css_node_t *node = new_css_node();
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init_test_css_node(node);
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return node;
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}
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void init_css_node_children(css_node_t *node, int children_count) {
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node->context = calloc((size_t)children_count, sizeof(css_node_t));
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for (int i = 0; i < children_count; ++i) {
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init_css_node(node->get_child(node->context, i));
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init_test_css_node(node->get_child(node->context, i));
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}
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node->children_count = children_count;
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}
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