test(support): verify support tests results in all tested browsers (#16008)

Closes #16008

test/auto/injectorSpec.js

@@ -283,16 +283,16 @@ describe('injector', function() {
 
 
     describe('es6', function() {
-      if (support.ES6Function) {
+      if (support.shorthandMethods) {
         // The functions are generated using `eval` as just having the ES6 syntax can break some browsers.
-        it('should be possible to annotate functions that are declared using ES6 syntax', function() {
+        it('should be possible to annotate shorthand methods', function() {
           // eslint-disable-next-line no-eval
           expect(annotate(eval('({ fn(x) { return; } })').fn)).toEqual(['x']);
         });
       }
 
 
-      if (support.fatArrow) {
+      if (support.fatArrows) {
         it('should create $inject for arrow functions', function() {
           // eslint-disable-next-line no-eval
           expect(annotate(eval('(a, b) => a'))).toEqual(['a', 'b']);
@@ -300,7 +300,7 @@ describe('injector', function() {
       }
 
 
-      if (support.fatArrow) {
+      if (support.fatArrows) {
         it('should create $inject for arrow functions with no parenthesis', function() {
           // eslint-disable-next-line no-eval
           expect(annotate(eval('a => a'))).toEqual(['a']);
@@ -308,7 +308,7 @@ describe('injector', function() {
       }
 
 
-      if (support.fatArrow) {
+      if (support.fatArrows) {
         it('should take args before first arrow', function() {
           // eslint-disable-next-line no-eval
           expect(annotate(eval('a => b => b'))).toEqual(['a']);

test/helpers/support.js

@@ -0,0 +1,20 @@
+'use strict';
+
+var supportTests = {
+  classes: '/^class\\b/.test((class C {}).toString())',
+  fatArrows: 'a => a',
+  shorthandMethods: '({ fn(x) { return; } })'
+};
+
+var support = {};
+
+for (var prop in supportTests) {
+  if (supportTests.hasOwnProperty(prop)) {
+    try {
+      // eslint-disable-next-line no-eval
+      support[prop] = !!eval(supportTests[prop]);
+    } catch (e) {
+      support[prop] = false;
+    }
+  }
+}

test/helpers/supportSpec.js

@@ -0,0 +1,97 @@
+'use strict';
+
+describe('support test results', function() {
+  var expected, version, testName;
+  var userAgent = window.navigator.userAgent;
+
+  // Support: iOS 8 only
+  if (/iPhone OS 10_1\d(?:_\d+)? /.test(userAgent)) {
+    // iOS 8 official simulators have broken user agent (containing something like `iPhone OS 10_12_5`,
+    // i.e. the macOS version in place of the iOS version) so they'd fall into an incorrect bucket.
+    // Fix the user agent there.
+    // NOTE: Make sure the above check doesn't catch the real iOS 10!
+    userAgent = userAgent.replace(/iPhone OS 10(?:_\d+)+/, 'iPhone OS 8_1');
+  }
+
+  if (/edge\//i.test(userAgent)) {
+    expected = {
+      classes: true,
+      fatArrows: true,
+      shorthandMethods: true
+    };
+  } else if (/msie|trident/i.test(userAgent)) {
+    expected = {
+      classes: false,
+      fatArrows: false,
+      shorthandMethods: false
+    };
+  } else if (/iphone os [78]_/i.test(userAgent)) {
+    expected = {
+      classes: false,
+      fatArrows: false,
+      shorthandMethods: false
+    };
+  } else if (/iphone os 9_/i.test(userAgent)) {
+    expected = {
+      classes: true,
+      fatArrows: false,
+      shorthandMethods: true
+    };
+  } else if (/iphone os/i.test(userAgent)) {
+    expected = {
+      classes: true,
+      fatArrows: true,
+      shorthandMethods: true
+    };
+  } else if (/android 4\.[0-3]/i.test(userAgent)) {
+    expected = {
+      classes: false,
+      fatArrows: false,
+      shorthandMethods: false
+    };
+  } else if (/chrome/i.test(userAgent)) {
+    // Catches Chrome on Android as well (i.e. the default
+    // Android browser on Android >= 4.4).
+    expected = {
+      classes: true,
+      fatArrows: true,
+      shorthandMethods: true
+    };
+  } else if (/firefox/i.test(userAgent)) {
+    version = parseInt(userAgent.match(/firefox\/(\d+)/i)[1], 10);
+    expected = {
+      classes: version >= 55,
+      fatArrows: true,
+      shorthandMethods: true
+    };
+  } else if (/\b8(?:\.\d+)+ safari/i.test(userAgent)) {
+    expected = {
+      classes: false,
+      fatArrows: false,
+      shorthandMethods: false
+    };
+  } else if (/\b9(?:\.\d+)+ safari/i.test(userAgent)) {
+    expected = {
+      classes: true,
+      fatArrows: false,
+      shorthandMethods: true
+    };
+  } else if (/\b\d+(?:\.\d+)+ safari/i.test(userAgent)) {
+    expected = {
+      classes: true,
+      fatArrows: true,
+      shorthandMethods: true
+    };
+  }
+
+  it('should have expected values specified', function() {
+      expect(expected).not.toBe(null);
+      expect(typeof expected).toBe('object');
+  });
+
+  for (testName in expected) {
+    it('should report support.' + testName + ' to be ' + expected[testName], function() {
+        expect(support[testName]).toBe(expected[testName]);
+    });
+  }
+});

test/helpers/testabilityPatch.js

@@ -3,26 +3,6 @@
 
 if (window.bindJQuery) bindJQuery();
 
-var supportTests = {
-  classes: '/^class\\b/.test((class C {}).toString())',
-  fatArrow: 'a => a',
-  ES6Function: '({ fn(x) { return; } })'
-};
-
-var support = {};
-
-for (var prop in supportTests) {
-  if (supportTests.hasOwnProperty(prop)) {
-    try {
-      // eslint-disable-next-line no-eval
-      support[prop] = !!eval(supportTests[prop]);
-    } catch (e) {
-      support[prop] = false;
-    }
-  }
-}
-
-
 beforeEach(function() {
 
   // all this stuff is not needed for module tests, where jqlite and publishExternalAPI and jqLite are not global vars