Check in codegen test expectations.

test/codegen/expect/language/mixin_is_test.js

Index: test/codegen/expect/language/mixin_is_test.js
diff --git a/test/codegen/expect/language/mixin_is_test.js b/test/codegen/expect/language/mixin_is_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..771e39d4dfeed852f72056a93ad9cca5bff1fa07
--- /dev/null
+++ b/test/codegen/expect/language/mixin_is_test.js
@@ -0,0 +1,100 @@
+dart_library.library('language/mixin_is_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__mixin_is_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_is_test = Object.create(null);
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  mixin_is_test.S = class S extends core.Object {};
+  mixin_is_test.M1 = class M1 extends core.Object {};
+  mixin_is_test.M2 = class M2 extends core.Object {};
+  mixin_is_test.C = class C extends dart.mixin(mixin_is_test.S, mixin_is_test.M1) {
+    new() {
+      super.new();
+    }
+  };
+  mixin_is_test.D = class D extends dart.mixin(mixin_is_test.S, mixin_is_test.M1, mixin_is_test.M2) {
+    new() {
+      super.new();
+    }
+  };
+  mixin_is_test.E = class E extends dart.mixin(mixin_is_test.S, mixin_is_test.M2, mixin_is_test.M1) {
+    new() {
+      super.new();
+    }
+  };
+  mixin_is_test.F = class F extends mixin_is_test.E {};
+  mixin_is_test.C_ = class C_ extends dart.mixin(mixin_is_test.S, mixin_is_test.M1) {
+    new() {
+      super.new();
+    }
+  };
+  mixin_is_test.D_ = class D_ extends dart.mixin(mixin_is_test.S, mixin_is_test.M1, mixin_is_test.M2) {
+    new() {
+      super.new();
+    }
+  };
+  mixin_is_test.E_ = class E_ extends dart.mixin(mixin_is_test.S, mixin_is_test.M2, mixin_is_test.M1) {
+    new() {
+      super.new();
+    }
+  };
+  mixin_is_test.F_ = class F_ extends mixin_is_test.E_ {};
+  mixin_is_test.main = function() {
+    let c = new mixin_is_test.C();
+    expect$.Expect.isTrue(mixin_is_test.C.is(c));
+    expect$.Expect.isFalse(mixin_is_test.D.is(c));
+    expect$.Expect.isFalse(mixin_is_test.E.is(c));
+    expect$.Expect.isFalse(mixin_is_test.F.is(c));
+    expect$.Expect.isTrue(mixin_is_test.S.is(c));
+    expect$.Expect.isTrue(mixin_is_test.M1.is(c));
+    expect$.Expect.isFalse(mixin_is_test.M2.is(c));
+    let d = new mixin_is_test.D();
+    expect$.Expect.isFalse(mixin_is_test.C.is(d));
+    expect$.Expect.isTrue(mixin_is_test.D.is(d));
+    expect$.Expect.isFalse(mixin_is_test.E.is(d));
+    expect$.Expect.isFalse(mixin_is_test.F.is(d));
+    expect$.Expect.isTrue(mixin_is_test.S.is(d));
+    expect$.Expect.isTrue(mixin_is_test.M1.is(d));
+    expect$.Expect.isTrue(mixin_is_test.M2.is(d));
+    let e = new mixin_is_test.E();
+    expect$.Expect.isFalse(mixin_is_test.C.is(e));
+    expect$.Expect.isFalse(mixin_is_test.D.is(e));
+    expect$.Expect.isTrue(mixin_is_test.E.is(e));
+    expect$.Expect.isFalse(mixin_is_test.F.is(e));
+    expect$.Expect.isTrue(mixin_is_test.S.is(e));
+    expect$.Expect.isTrue(mixin_is_test.M1.is(e));
+    expect$.Expect.isTrue(mixin_is_test.M2.is(e));
+    let f = new mixin_is_test.F();
+    expect$.Expect.isFalse(mixin_is_test.C.is(f));
+    expect$.Expect.isFalse(mixin_is_test.D.is(f));
+    expect$.Expect.isTrue(mixin_is_test.E.is(f));
+    expect$.Expect.isTrue(mixin_is_test.F.is(f));
+    expect$.Expect.isTrue(mixin_is_test.S.is(f));
+    expect$.Expect.isTrue(mixin_is_test.M1.is(f));
+    expect$.Expect.isTrue(mixin_is_test.M2.is(f));
+    expect$.Expect.isFalse(mixin_is_test.C_.is(c));
+    expect$.Expect.isFalse(mixin_is_test.D_.is(c));
+    expect$.Expect.isFalse(mixin_is_test.E_.is(c));
+    expect$.Expect.isFalse(mixin_is_test.F_.is(c));
+    expect$.Expect.isFalse(mixin_is_test.C_.is(d));
+    expect$.Expect.isFalse(mixin_is_test.D_.is(d));
+    expect$.Expect.isFalse(mixin_is_test.E_.is(d));
+    expect$.Expect.isFalse(mixin_is_test.F_.is(d));
+    expect$.Expect.isFalse(mixin_is_test.C_.is(e));
+    expect$.Expect.isFalse(mixin_is_test.D_.is(e));
+    expect$.Expect.isFalse(mixin_is_test.E_.is(e));
+    expect$.Expect.isFalse(mixin_is_test.F_.is(e));
+    expect$.Expect.isFalse(mixin_is_test.C_.is(f));
+    expect$.Expect.isFalse(mixin_is_test.D_.is(f));
+    expect$.Expect.isFalse(mixin_is_test.E_.is(f));
+    expect$.Expect.isFalse(mixin_is_test.F_.is(f));
+  };
+  dart.fn(mixin_is_test.main, VoidTodynamic());
+  // Exports:
+  exports.mixin_is_test = mixin_is_test;
+});