Back out "Back out "[yoga][gentest][intrinsic sizing] Gentest and initial tests for intrinsic sizing"" (#1758)

Summary:
Pull Request resolved: https://github.com/facebook/yoga/pull/1758

Original commit changeset: 52d6cc754cb9

Original Phabricator Diff: D66332308

Reviewed By: NickGerleman

Differential Revision: D66662663

fbshipit-source-id: fb3a0d10ec0f0149aeee510148f26ada8eff7e47

gentest/gentest-javascript.js

@@ -15,6 +15,9 @@ function toValueJavascript(value) {
   if (value.match(/^[0-9.e+-]+px$/i)) return parseFloat(value);
   if (value.match(/^[0-9.e+-]+%/i)) return JSON.stringify(value);
   if (value == 'Yoga.AUTO') return '"auto"';
+  if (value == 'max-content') return '"max-content"';
+  if (value == 'fit-content') return '"fit-content"';
+  if (value == 'stretch') return '"stretch"';
   return value;
 }
 
@@ -176,6 +179,10 @@ JavascriptEmitter.prototype = Object.create(Emitter.prototype, {
   YGBoxSizingBorderBox: {value: 'BoxSizing.BorderBox'},
   YGBoxSizingContentBox: {value: 'BoxSizing.ContentBox'},
 
+  YGMaxContent: {value: 'max-content'},
+  YGFitContent: {value: 'fit-content'},
+  YGStretch: {value: 'stretch'},
+
   YGNodeCalculateLayout: {
     value: function (node, dir, _experiments) {
       this.push(node + '.calculateLayout(undefined, undefined, ' + dir + ');');