Check in codegen test expectations.

test/codegen/expect/lib/html/typed_arrays_1_test.js

Index: test/codegen/expect/lib/html/typed_arrays_1_test.js
diff --git a/test/codegen/expect/lib/html/typed_arrays_1_test.js b/test/codegen/expect/lib/html/typed_arrays_1_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..e461ce24de5e1e686c66b574a09592da3515c6d0
--- /dev/null
+++ b/test/codegen/expect/lib/html/typed_arrays_1_test.js
@@ -0,0 +1,77 @@
+dart_library.library('lib/html/typed_arrays_1_test', null, /* Imports */[
+  'dart_sdk',
+  'unittest'
+], function load__typed_arrays_1_test(exports, dart_sdk, unittest) {
+  'use strict';
+  const core = dart_sdk.core;
+  const html = dart_sdk.html;
+  const typed_data = dart_sdk.typed_data;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const html_individual_config = unittest.html_individual_config;
+  const src__matcher__core_matchers = unittest.src__matcher__core_matchers;
+  const src__matcher__throws_matcher = unittest.src__matcher__throws_matcher;
+  const unittest$ = unittest.unittest;
+  const src__matcher__expect = unittest.src__matcher__expect;
+  const src__matcher__operator_matchers = unittest.src__matcher__operator_matchers;
+  const typed_arrays_1_test = Object.create(null);
+  let ListOfnum = () => (ListOfnum = dart.constFn(core.List$(core.num)))();
+  let ListOfString = () => (ListOfString = dart.constFn(core.List$(core.String)))();
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let ListOfint = () => (ListOfint = dart.constFn(core.List$(core.int)))();
+  let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  typed_arrays_1_test.main = function() {
+    html_individual_config.useHtmlIndividualConfiguration();
+    let isnumList = src__matcher__core_matchers.predicate(dart.fn(x => ListOfnum().is(x), dynamicTobool()), 'is a List<num>');
+    let isStringList = src__matcher__core_matchers.predicate(dart.fn(x => ListOfString().is(x), dynamicTobool()), 'is a List<String>');
+    let expectation = dart.test(html.Platform.supportsTypedData) ? src__matcher__core_matchers.returnsNormally : src__matcher__throws_matcher.throws;
+    unittest$.group('supported', dart.fn(() => {
+      unittest$.test('supported', dart.fn(() => {
+        src__matcher__expect.expect(html.Platform.supportsTypedData, true);
+      }, VoidTodynamic()));
+    }, VoidTovoid()));
+    unittest$.group('arrays', dart.fn(() => {
+      unittest$.test('createByLengthTest', dart.fn(() => {
+        src__matcher__expect.expect(dart.fn(() => {
+          let a = typed_data.Float32List.new(10);
+          src__matcher__expect.expect(a[dartx.length], 10);
+          src__matcher__expect.expect(a[dartx.lengthInBytes], 40);
+          src__matcher__expect.expect(a[dartx.get](4), 0);
+        }, VoidTodynamic()), expectation);
+      }, VoidTodynamic()));
+      unittest$.test('aliasTest', dart.fn(() => {
+        src__matcher__expect.expect(dart.fn(() => {
+          let a1 = typed_data.Uint8List.fromList(JSArrayOfint().of([0, 0, 1, 69]));
+          let a2 = typed_data.Float32List.view(a1[dartx.buffer]);
+          src__matcher__expect.expect(a1[dartx.lengthInBytes], a2[dartx.lengthInBytes]);
+          src__matcher__expect.expect(a2[dartx.length], 1);
+          src__matcher__expect.expect(a2[dartx.get](0), 2048 + 16);
+          a1[dartx.set](2, 0);
+          src__matcher__expect.expect(a2[dartx.get](0), 2048);
+          let i = 3;
+          a1[dartx.set](i, dart.notNull(a1[dartx.get](i)) - 1);
+          let i$ = 2;
+          a1[dartx.set](i$, dart.notNull(a1[dartx.get](i$)) + 128);
+          src__matcher__expect.expect(a2[dartx.get](0), 1024);
+        }, VoidTodynamic()), expectation);
+      }, VoidTodynamic()));
+      let supportsTypeTest = !ListOfint().is(ListOfString().new());
+      if (supportsTypeTest) {
+        unittest$.test('typeTests', dart.fn(() => {
+          src__matcher__expect.expect(dart.fn(() => {
+            let a = typed_data.Float32List.new(10);
+            src__matcher__expect.expect(a, src__matcher__core_matchers.isList);
+            src__matcher__expect.expect(a, isnumList);
+            src__matcher__expect.expect(a, src__matcher__operator_matchers.isNot(isStringList));
+          }, VoidTodynamic()), expectation);
+        }, VoidTodynamic()));
+      }
+    }, VoidTovoid()));
+  };
+  dart.fn(typed_arrays_1_test.main, VoidTodynamic());
+  // Exports:
+  exports.typed_arrays_1_test = typed_arrays_1_test;
+});