Check in codegen test expectations.

test/codegen/expect/language/mixin_type_parameter1_test.js

Index: test/codegen/expect/language/mixin_type_parameter1_test.js
diff --git a/test/codegen/expect/language/mixin_type_parameter1_test.js b/test/codegen/expect/language/mixin_type_parameter1_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..e9a0aa3f8e92b553e70bf80001dc8240c49dce17
--- /dev/null
+++ b/test/codegen/expect/language/mixin_type_parameter1_test.js
@@ -0,0 +1,58 @@
+dart_library.library('language/mixin_type_parameter1_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__mixin_type_parameter1_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const mixin_type_parameter1_test = Object.create(null);
+  let Mixin1 = () => (Mixin1 = dart.constFn(mixin_type_parameter1_test.Mixin1$()))();
+  let Mixin2 = () => (Mixin2 = dart.constFn(mixin_type_parameter1_test.Mixin2$()))();
+  let MyTypedef = () => (MyTypedef = dart.constFn(mixin_type_parameter1_test.MyTypedef$()))();
+  let B = () => (B = dart.constFn(mixin_type_parameter1_test.B$()))();
+  let BOfnum$String = () => (BOfnum$String = dart.constFn(mixin_type_parameter1_test.B$(core.num, core.String)))();
+  let Mixin1Ofnum = () => (Mixin1Ofnum = dart.constFn(mixin_type_parameter1_test.Mixin1$(core.num)))();
+  let Mixin1OfString = () => (Mixin1OfString = dart.constFn(mixin_type_parameter1_test.Mixin1$(core.String)))();
+  let Mixin2OfString = () => (Mixin2OfString = dart.constFn(mixin_type_parameter1_test.Mixin2$(core.String)))();
+  let Mixin2Ofnum = () => (Mixin2Ofnum = dart.constFn(mixin_type_parameter1_test.Mixin2$(core.num)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  mixin_type_parameter1_test.Mixin1$ = dart.generic(T => {
+    class Mixin1 extends core.Object {}
+    dart.addTypeTests(Mixin1);
+    return Mixin1;
+  });
+  mixin_type_parameter1_test.Mixin1 = Mixin1();
+  mixin_type_parameter1_test.Mixin2$ = dart.generic(T => {
+    class Mixin2 extends core.Object {}
+    dart.addTypeTests(Mixin2);
+    return Mixin2;
+  });
+  mixin_type_parameter1_test.Mixin2 = Mixin2();
+  mixin_type_parameter1_test.A = class A extends core.Object {};
+  mixin_type_parameter1_test.MyTypedef$ = dart.generic((K, V) => {
+    class MyTypedef extends dart.mixin(mixin_type_parameter1_test.A, mixin_type_parameter1_test.Mixin1$(K), mixin_type_parameter1_test.Mixin2$(V)) {
+      new() {
+        super.new();
+      }
+    }
+    return MyTypedef;
+  });
+  mixin_type_parameter1_test.MyTypedef = MyTypedef();
+  mixin_type_parameter1_test.B$ = dart.generic((K, V) => {
+    class B extends mixin_type_parameter1_test.MyTypedef$(K, V) {}
+    return B;
+  });
+  mixin_type_parameter1_test.B = B();
+  mixin_type_parameter1_test.main = function() {
+    let b = new (BOfnum$String())();
+    expect$.Expect.isTrue(Mixin1Ofnum().is(b));
+    expect$.Expect.isTrue(!Mixin1OfString().is(b));
+    expect$.Expect.isTrue(Mixin2OfString().is(b));
+    expect$.Expect.isTrue(!Mixin2Ofnum().is(b));
+  };
+  dart.fn(mixin_type_parameter1_test.main, VoidTodynamic());
+  // Exports:
+  exports.mixin_type_parameter1_test = mixin_type_parameter1_test;
+});