automated-tests/src/dali-toolkit-third-party/yoga/YGLoggerTest.cpp

   1 /**
   2  * Copyright (c) 2014-present, Facebook, Inc.
   3  *
   4  * This source code is licensed under the MIT license found in the
   5  * LICENSE file in the root directory of this source tree.
   6  */
   7
   8 #include <gtest/gtest.h>
   9 #include <stdarg.h>
  10 #include <yoga/Yoga.h>
  11
  12 namespace {
  13 char writeBuffer[4096];
  14 int _unmanagedLogger(const YGConfigRef config,
  15                      const YGNodeRef node,
  16                      YGLogLevel level,
  17                      const char *format,
  18                      va_list args) {
  19   return vsnprintf(writeBuffer + strlen(writeBuffer),
  20                    sizeof(writeBuffer) - strlen(writeBuffer),
  21                    format,
  22                    args);
  23 }
  24 }
  25
  26 TEST(YogaTest, logger_default_node_should_print_no_style_info) {
  27   writeBuffer[0] = '\0';
  28   const YGConfigRef config = YGConfigNew();
  29   YGConfigSetLogger(config, _unmanagedLogger);
  30   const YGNodeRef root = YGNodeNewWithConfig(config);
  31   YGNodeCalculateLayout(root, YGUnitUndefined, YGUnitUndefined, YGDirectionLTR);
  32   YGNodePrint(root,
  33               (YGPrintOptions)(YGPrintOptionsLayout | YGPrintOptionsChildren |
  34                                YGPrintOptionsStyle));
  35   YGConfigSetLogger(config, NULL);
  36   YGNodeFree(root);
  37
  38   const char *expected = "<div layout=\"width: 0; height: 0; top: 0; left: 0;\" style=\"\" ></div>";
  39   ASSERT_STREQ(expected, writeBuffer);
  40 }
  41
  42 TEST(YogaTest, logger_node_with_percentage_absolute_position_and_margin) {
  43   writeBuffer[0] = '\0';
  44   const YGConfigRef config = YGConfigNew();
  45   YGConfigSetLogger(config, _unmanagedLogger);
  46   const YGNodeRef root = YGNodeNewWithConfig(config);
  47   YGNodeStyleSetPositionType(root, YGPositionTypeAbsolute);
  48   YGNodeStyleSetWidthPercent(root, 50);
  49   YGNodeStyleSetHeightPercent(root, 75);
  50   YGNodeStyleSetFlex(root, 1);
  51   YGNodeStyleSetMargin(root, YGEdgeRight, 10);
  52   YGNodeStyleSetMarginAuto(root, YGEdgeLeft);
  53   YGNodeCalculateLayout(root, YGUnitUndefined, YGUnitUndefined, YGDirectionLTR);
  54   YGNodePrint(root,
  55               (YGPrintOptions)(YGPrintOptionsLayout | YGPrintOptionsChildren |
  56                                YGPrintOptionsStyle));
  57   YGConfigSetLogger(config, NULL);
  58   YGNodeFree(root);
  59
  60   const char *expected = "<div layout=\"width: 0; height: 0; top: 0; left: 0;\" style=\"flex: 1; "
  61                          "margin-left: auto; margin-right: 10px; width: 50%; height: 75%; "
  62                          "position: absolute; \" ></div>";
  63   ASSERT_STREQ(expected, writeBuffer);
  64 }
  65
  66 TEST(YogaTest, logger_node_with_children_should_print_indented) {
  67   writeBuffer[0] = '\0';
  68   const YGConfigRef config = YGConfigNew();
  69   YGConfigSetLogger(config, _unmanagedLogger);
  70   const YGNodeRef root = YGNodeNewWithConfig(config);
  71   const YGNodeRef child0 = YGNodeNewWithConfig(config);
  72   const YGNodeRef child1 = YGNodeNewWithConfig(config);
  73   YGNodeInsertChild(root, child0, 0);
  74   YGNodeInsertChild(root, child1, 1);
  75   YGNodeCalculateLayout(root, YGUnitUndefined, YGUnitUndefined, YGDirectionLTR);
  76   YGNodePrint(root,
  77               (YGPrintOptions)(YGPrintOptionsLayout | YGPrintOptionsChildren |
  78                                YGPrintOptionsStyle));
  79   YGConfigSetLogger(config, NULL);
  80   YGNodeFreeRecursive(root);
  81
  82   const char *expected = "<div layout=\"width: 0; height: 0; top: 0; left: 0;\" style=\"\" >\n  "
  83                          "<div layout=\"width: 0; height: 0; top: 0; left: 0;\" style=\"\" "
  84                          "></div>\n  <div layout=\"width: 0; height: 0; top: 0; left: 0;\" "
  85                          "style=\"\" ></div>\n</div>";
  86   ASSERT_STREQ(expected, writeBuffer);
  87 }