Check in codegen test expectations.

test/codegen/expect/lib/html/shadow_dom_test.js

Index: test/codegen/expect/lib/html/shadow_dom_test.js
diff --git a/test/codegen/expect/lib/html/shadow_dom_test.js b/test/codegen/expect/lib/html/shadow_dom_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..dbc964bfb9c3626f86d1cfe23e0255f4902bb3f9
--- /dev/null
+++ b/test/codegen/expect/lib/html/shadow_dom_test.js
@@ -0,0 +1,89 @@
+dart_library.library('lib/html/shadow_dom_test', null, /* Imports */[
+  'dart_sdk',
+  'unittest'
+], function load__shadow_dom_test(exports, dart_sdk, unittest) {
+  'use strict';
+  const core = dart_sdk.core;
+  const html = dart_sdk.html;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const html_individual_config = unittest.html_individual_config;
+  const unittest$ = unittest.unittest;
+  const src__matcher__expect = unittest.src__matcher__expect;
+  const src__matcher__core_matchers = unittest.src__matcher__core_matchers;
+  const src__matcher__throws_matcher = unittest.src__matcher__throws_matcher;
+  const shadow_dom_test = Object.create(null);
+  let JSArrayOfDivElement = () => (JSArrayOfDivElement = dart.constFn(_interceptors.JSArray$(html.DivElement)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  let dynamicTovoid = () => (dynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic])))();
+  shadow_dom_test.main = function() {
+    html_individual_config.useHtmlIndividualConfiguration();
+    unittest$.group('supported', dart.fn(() => {
+      unittest$.test('supported', dart.fn(() => {
+        src__matcher__expect.expect(html.ShadowRoot[dartx.supported], true);
+      }, VoidTodynamic()));
+    }, VoidTovoid()));
+    unittest$.group('ShadowDOM_tests', dart.fn(() => {
+      let div1 = null, div2 = null, shadowRoot = null, paragraph1 = null, paragraph2 = null;
+      function init() {
+        paragraph1 = html.ParagraphElement.new();
+        paragraph2 = html.ParagraphElement.new();
+        [paragraph1, paragraph2][dartx.forEach](dart.fn(p => {
+          dart.dsend(dart.dload(p, 'classes'), 'add', 'foo');
+        }, dynamicTovoid()));
+        div1 = html.DivElement.new();
+        div2 = html.DivElement.new();
+        dart.dsend(dart.dload(div1, 'classes'), 'add', 'foo');
+        shadowRoot = dart.dsend(div2, 'createShadowRoot');
+        dart.dsend(shadowRoot, 'append', paragraph1);
+        dart.dsend(shadowRoot, 'append', html.ContentElement.new());
+        dart.dsend(div2, 'append', paragraph2);
+        html.document[dartx.body][dartx.append](html.Node._check(div1));
+        html.document[dartx.body][dartx.append](html.Node._check(div2));
+      }
+      dart.fn(init, VoidTodynamic());
+      let expectation = dart.test(html.ShadowRoot[dartx.supported]) ? src__matcher__core_matchers.returnsNormally : src__matcher__throws_matcher.throws;
+      unittest$.test("Shadowed nodes aren't visible to queries from outside ShadowDOM", dart.fn(() => {
+        src__matcher__expect.expect(dart.fn(() => {
+          init();
+          src__matcher__expect.expect(html.queryAll('.foo'), src__matcher__core_matchers.equals([div1, paragraph2]));
+        }, VoidTodynamic()), expectation);
+      }, VoidTodynamic()));
+      unittest$.test('Parent node of a shadow root must be null.', dart.fn(() => {
+        src__matcher__expect.expect(dart.fn(() => {
+          init();
+          src__matcher__expect.expect(dart.dload(shadowRoot, 'parent'), src__matcher__core_matchers.isNull);
+        }, VoidTodynamic()), expectation);
+      }, VoidTodynamic()));
+      unittest$.test('Querying in shadowed fragment respects the shadow boundary.', dart.fn(() => {
+        src__matcher__expect.expect(dart.fn(() => {
+          init();
+          src__matcher__expect.expect(dart.dsend(shadowRoot, 'queryAll', '.foo'), src__matcher__core_matchers.equals([paragraph1]));
+        }, VoidTodynamic()), expectation);
+      }, VoidTodynamic()));
+      if (dart.test(html.ShadowRoot[dartx.supported])) {
+        unittest$.test('Shadowroot contents are distributed', dart.fn(() => {
+          let div = html.DivElement.new();
+          let box1 = html.DivElement.new();
+          box1[dartx.classes].add('foo');
+          div[dartx.append](box1);
+          let box2 = html.DivElement.new();
+          div[dartx.append](box2);
+          let sRoot = div[dartx.createShadowRoot]();
+          let content1 = html.ContentElement.new();
+          content1[dartx.select] = ".foo";
+          sRoot[dartx.append](content1);
+          let content2 = html.ContentElement.new();
+          sRoot[dartx.append](content2);
+          src__matcher__expect.expect(content1[dartx.getDistributedNodes](), JSArrayOfDivElement().of([box1]));
+          src__matcher__expect.expect(content2[dartx.getDistributedNodes](), JSArrayOfDivElement().of([box2]));
+        }, VoidTodynamic()));
+      }
+    }, VoidTovoid()));
+  };
+  dart.fn(shadow_dom_test.main, VoidTodynamic());
+  // Exports:
+  exports.shadow_dom_test = shadow_dom_test;
+});