Check in codegen test expectations.

test/codegen/expect/language/await_for_cancel_test.js

Index: test/codegen/expect/language/await_for_cancel_test.js
diff --git a/test/codegen/expect/language/await_for_cancel_test.js b/test/codegen/expect/language/await_for_cancel_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..64633163b01a0881c717a64969c8c8723488fe2e
--- /dev/null
+++ b/test/codegen/expect/language/await_for_cancel_test.js
@@ -0,0 +1,117 @@
+dart_library.library('language/await_for_cancel_test', null, /* Imports */[
+  'dart_sdk',
+  'expect',
+  'async_helper'
+], function load__await_for_cancel_test(exports, dart_sdk, expect, async_helper) {
+  'use strict';
+  const core = dart_sdk.core;
+  const async = dart_sdk.async;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const async_helper$ = async_helper.async_helper;
+  const await_for_cancel_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  let VoidToStreamController = () => (VoidToStreamController = dart.constFn(dart.definiteFunctionType(async.StreamController, [])))();
+  await_for_cancel_test.canceled = null;
+  await_for_cancel_test.test1 = function() {
+    return dart.async(function*() {
+      await_for_cancel_test.canceled = false;
+      try {
+        let controller = await_for_cancel_test.infiniteStreamController();
+        outer:
+          while (true) {
+            let it = async.StreamIterator.new(controller.stream);
+            try {
+              while (yield it.moveNext()) {
+                let x = it.current;
+                for (let j = 0; j < 10; j++) {
+                  if (j == 5) break outer;
+                }
+              }
+            } finally {
+              yield it.cancel();
+            }
+          }
+      } finally {
+        expect$.Expect.isTrue(await_for_cancel_test.canceled);
+      }
+    }, dart.dynamic);
+  };
+  dart.fn(await_for_cancel_test.test1, VoidTodynamic());
+  await_for_cancel_test.test2 = function() {
+    return dart.async(function*() {
+      await_for_cancel_test.canceled = false;
+      try {
+        let controller = await_for_cancel_test.infiniteStreamController();
+        let first = true;
+        outer:
+          while (true) {
+            if (first) {
+              first = false;
+            } else {
+              break;
+            }
+            let it = async.StreamIterator.new(controller.stream);
+            try {
+              while (yield it.moveNext()) {
+                let x = it.current;
+                for (let j = 0; j < 10; j++) {
+                  if (j == 5) continue outer;
+                }
+              }
+            } finally {
+              yield it.cancel();
+            }
+          }
+      } finally {
+        expect$.Expect.isTrue(await_for_cancel_test.canceled);
+      }
+    }, dart.dynamic);
+  };
+  dart.fn(await_for_cancel_test.test2, VoidTodynamic());
+  await_for_cancel_test.test = function() {
+    return dart.async(function*() {
+      yield await_for_cancel_test.test1();
+      yield await_for_cancel_test.test2();
+    }, dart.dynamic);
+  };
+  dart.fn(await_for_cancel_test.test, VoidTodynamic());
+  await_for_cancel_test.main = function() {
+    async_helper$.asyncStart();
+    dart.dsend(await_for_cancel_test.test(), 'then', dart.fn(_ => {
+      async_helper$.asyncEnd();
+    }, dynamicTodynamic()));
+  };
+  dart.fn(await_for_cancel_test.main, VoidTodynamic());
+  await_for_cancel_test.infiniteStreamController = function() {
+    let controller = null;
+    let timer = null;
+    let counter = 0;
+    function tick() {
+      if (dart.test(controller.isPaused)) {
+        return;
+      }
+      if (dart.test(await_for_cancel_test.canceled)) {
+        return;
+      }
+      counter++;
+      controller.add(counter);
+      async.Timer.run(tick);
+    }
+    dart.fn(tick, VoidTovoid());
+    function startTimer() {
+      async.Timer.run(tick);
+    }
+    dart.fn(startTimer, VoidTovoid());
+    controller = async.StreamController.new({onListen: startTimer, onResume: startTimer, onCancel: dart.fn(() => {
+        await_for_cancel_test.canceled = true;
+      }, VoidTodynamic())});
+    return controller;
+  };
+  dart.fn(await_for_cancel_test.infiniteStreamController, VoidToStreamController());
+  // Exports:
+  exports.await_for_cancel_test = await_for_cancel_test;
+});