Check in codegen test expectations.

test/codegen/expect/language/async_switch_test_none_multi.js

Index: test/codegen/expect/language/async_switch_test_none_multi.js
diff --git a/test/codegen/expect/language/async_switch_test_none_multi.js b/test/codegen/expect/language/async_switch_test_none_multi.js
new file mode 100644
index 0000000000000000000000000000000000000000..34b562ea506ad90633c3e8abd3219fd348377368
--- /dev/null
+++ b/test/codegen/expect/language/async_switch_test_none_multi.js
@@ -0,0 +1,125 @@
+dart_library.library('language/async_switch_test_none_multi', null, /* Imports */[
+  'dart_sdk',
+  'expect',
+  'async_helper'
+], function load__async_switch_test_none_multi(exports, dart_sdk, expect, async_helper) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const async_helper$ = async_helper.async_helper;
+  const async_switch_test_none_multi = Object.create(null);
+  let dynamicTodynamic = () => (dynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let dynamicTovoid = () => (dynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  async_switch_test_none_multi.foo1 = function(a) {
+    return dart.async(function*(a) {
+      let k = 0;
+      switch (a) {
+        case 1:
+        {
+          yield 3;
+          k = dart.notNull(k) + 1;
+          break;
+        }
+        case 2:
+        {
+          k = dart.notNull(k) + dart.notNull(core.int._check(a));
+          return dart.notNull(k) + 2;
+        }
+      }
+      return k;
+    }, dart.dynamic, a);
+  };
+  dart.fn(async_switch_test_none_multi.foo1, dynamicTodynamic());
+  async_switch_test_none_multi.foo2 = function(a) {
+    return dart.async(function*(a) {
+      let k = 0;
+      switch (yield a) {
+        case 1:
+        {
+          yield 3;
+          k = dart.notNull(k) + 1;
+          break;
+        }
+        case 2:
+        {
+          k = dart.notNull(k) + dart.notNull(core.int._check(yield a));
+          return dart.notNull(k) + 2;
+        }
+      }
+      return k;
+    }, dart.dynamic, a);
+  };
+  dart.fn(async_switch_test_none_multi.foo2, dynamicTodynamic());
+  async_switch_test_none_multi.foo3 = function(a) {
+    return dart.async(function*(a) {
+      let k = 0;
+      switch (a) {
+        case 1:
+        {
+          k = dart.notNull(k) + 1;
+          break;
+        }
+        case 2:
+        {
+          k = dart.notNull(k) + dart.notNull(core.int._check(a));
+          return dart.notNull(k) + 2;
+        }
+      }
+      return k;
+    }, dart.dynamic, a);
+  };
+  dart.fn(async_switch_test_none_multi.foo3, dynamicTodynamic());
+  async_switch_test_none_multi.foo4 = function(value) {
+    return dart.async(function*(value) {
+      let k = 0;
+      switch (yield value) {
+        case 1:
+        {
+          k = k + 1;
+          break;
+        }
+        case 2:
+        {
+          k = k + 2;
+          return 2 + k;
+        }
+      }
+      return k;
+    }, dart.dynamic, value);
+  };
+  dart.fn(async_switch_test_none_multi.foo4, dynamicTodynamic());
+  async_switch_test_none_multi.futureOf = function(a) {
+    return dart.async(function*(a) {
+      return yield a;
+    }, dart.dynamic, a);
+  };
+  dart.fn(async_switch_test_none_multi.futureOf, dynamicTodynamic());
+  async_switch_test_none_multi.test = function() {
+    return dart.async(function*() {
+      expect$.Expect.equals(1, yield async_switch_test_none_multi.foo1(1));
+      expect$.Expect.equals(4, yield async_switch_test_none_multi.foo1(2));
+      expect$.Expect.equals(0, yield async_switch_test_none_multi.foo1(3));
+      expect$.Expect.equals(1, yield async_switch_test_none_multi.foo2(async_switch_test_none_multi.futureOf(1)));
+      expect$.Expect.equals(4, yield async_switch_test_none_multi.foo2(async_switch_test_none_multi.futureOf(2)));
+      expect$.Expect.equals(0, yield async_switch_test_none_multi.foo2(async_switch_test_none_multi.futureOf(3)));
+      expect$.Expect.equals(1, yield async_switch_test_none_multi.foo3(1));
+      expect$.Expect.equals(4, yield async_switch_test_none_multi.foo3(2));
+      expect$.Expect.equals(0, yield async_switch_test_none_multi.foo3(3));
+      expect$.Expect.equals(1, yield async_switch_test_none_multi.foo4(async_switch_test_none_multi.futureOf(1)));
+      expect$.Expect.equals(4, yield async_switch_test_none_multi.foo4(async_switch_test_none_multi.futureOf(2)));
+      expect$.Expect.equals(0, yield async_switch_test_none_multi.foo4(async_switch_test_none_multi.futureOf(3)));
+    }, dart.dynamic);
+  };
+  dart.fn(async_switch_test_none_multi.test, VoidTodynamic());
+  async_switch_test_none_multi.main = function() {
+    async_helper$.asyncStart();
+    dart.dsend(async_switch_test_none_multi.test(), 'then', dart.fn(_ => async_helper$.asyncEnd(), dynamicTovoid()));
+  };
+  dart.fn(async_switch_test_none_multi.main, VoidTovoid());
+  // Exports:
+  exports.async_switch_test_none_multi = async_switch_test_none_multi;
+});