Check in codegen test expectations.

test/codegen/expect/language/factory_type_parameter_test.js

Index: test/codegen/expect/language/factory_type_parameter_test.js
diff --git a/test/codegen/expect/language/factory_type_parameter_test.js b/test/codegen/expect/language/factory_type_parameter_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..9111fec30d21afd950eab23f707025a1f6b3a600
--- /dev/null
+++ b/test/codegen/expect/language/factory_type_parameter_test.js
@@ -0,0 +1,73 @@
+dart_library.library('language/factory_type_parameter_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__factory_type_parameter_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 factory_type_parameter_test = Object.create(null);
+  let A = () => (A = dart.constFn(factory_type_parameter_test.A$()))();
+  let B = () => (B = dart.constFn(factory_type_parameter_test.B$()))();
+  let AOfList = () => (AOfList = dart.constFn(factory_type_parameter_test.A$(core.List)))();
+  let BOfList = () => (BOfList = dart.constFn(factory_type_parameter_test.B$(core.List)))();
+  let AOfSet = () => (AOfSet = dart.constFn(factory_type_parameter_test.A$(core.Set)))();
+  let BOfSet = () => (BOfSet = dart.constFn(factory_type_parameter_test.B$(core.Set)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  factory_type_parameter_test.A$ = dart.generic(T => {
+    let BOfT = () => (BOfT = dart.constFn(factory_type_parameter_test.B$(T)))();
+    let AOfT = () => (AOfT = dart.constFn(factory_type_parameter_test.A$(T)))();
+    class A extends core.Object {
+      static factory() {
+        return new (BOfT())();
+      }
+      new() {
+      }
+      build() {
+        return new (AOfT())();
+      }
+    }
+    dart.addTypeTests(A);
+    dart.setSignature(A, {
+      constructors: () => ({
+        factory: dart.definiteFunctionType(factory_type_parameter_test.A$(T), []),
+        new: dart.definiteFunctionType(factory_type_parameter_test.A$(T), [])
+      }),
+      methods: () => ({build: dart.definiteFunctionType(dart.dynamic, [])})
+    });
+    return A;
+  });
+  factory_type_parameter_test.A = A();
+  factory_type_parameter_test.B$ = dart.generic(T => {
+    let BOfT = () => (BOfT = dart.constFn(factory_type_parameter_test.B$(T)))();
+    class B extends factory_type_parameter_test.A$(T) {
+      new() {
+        super.new();
+      }
+      build() {
+        return new (BOfT())();
+      }
+    }
+    dart.setSignature(B, {
+      constructors: () => ({new: dart.definiteFunctionType(factory_type_parameter_test.B$(T), [])})
+    });
+    return B;
+  });
+  factory_type_parameter_test.B = B();
+  factory_type_parameter_test.main = function() {
+    expect$.Expect.isTrue(AOfList().is(new (AOfList())()));
+    expect$.Expect.isTrue(BOfList().is(AOfList().factory()));
+    expect$.Expect.isFalse(AOfSet().is(new (AOfList())()));
+    expect$.Expect.isFalse(BOfSet().is(AOfList().factory()));
+    expect$.Expect.isTrue(AOfList().is(new (AOfList())().build()));
+    expect$.Expect.isFalse(AOfSet().is(new (AOfList())().build()));
+    expect$.Expect.isTrue(BOfList().is(AOfList().factory().build()));
+    expect$.Expect.isFalse(BOfSet().is(AOfList().factory().build()));
+    expect$.Expect.isTrue(BOfList().is(new (BOfList())().build()));
+    expect$.Expect.isFalse(BOfSet().is(new (BOfList())().build()));
+  };
+  dart.fn(factory_type_parameter_test.main, VoidTodynamic());
+  // Exports:
+  exports.factory_type_parameter_test = factory_type_parameter_test;
+});