Check in codegen test expectations.

test/codegen/expect/language/type_variable_nested_test.js

Index: test/codegen/expect/language/type_variable_nested_test.js
diff --git a/test/codegen/expect/language/type_variable_nested_test.js b/test/codegen/expect/language/type_variable_nested_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..6981db1fa69c56707d33e1950184fecc7e26a239
--- /dev/null
+++ b/test/codegen/expect/language/type_variable_nested_test.js
@@ -0,0 +1,62 @@
+dart_library.library('language/type_variable_nested_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__type_variable_nested_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 type_variable_nested_test = Object.create(null);
+  let A = () => (A = dart.constFn(type_variable_nested_test.A$()))();
+  let B = () => (B = dart.constFn(type_variable_nested_test.B$()))();
+  let ListOfint = () => (ListOfint = dart.constFn(core.List$(core.int)))();
+  let ListOfA = () => (ListOfA = dart.constFn(core.List$(type_variable_nested_test.A)))();
+  let AOfint = () => (AOfint = dart.constFn(type_variable_nested_test.A$(core.int)))();
+  let ListOfAOfint = () => (ListOfAOfint = dart.constFn(core.List$(AOfint())))();
+  let BOfString = () => (BOfString = dart.constFn(type_variable_nested_test.B$(core.String)))();
+  let ListOfString = () => (ListOfString = dart.constFn(core.List$(core.String)))();
+  let AOfString = () => (AOfString = dart.constFn(type_variable_nested_test.A$(core.String)))();
+  let ListOfAOfString = () => (ListOfAOfString = dart.constFn(core.List$(AOfString())))();
+  let AOfObject = () => (AOfObject = dart.constFn(type_variable_nested_test.A$(core.Object)))();
+  let ListOfAOfObject = () => (ListOfAOfObject = dart.constFn(core.List$(AOfObject())))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  type_variable_nested_test.A$ = dart.generic(T => {
+    class A extends core.Object {}
+    dart.addTypeTests(A);
+    return A;
+  });
+  type_variable_nested_test.A = A();
+  const _copy = Symbol('_copy');
+  type_variable_nested_test.B$ = dart.generic(T => {
+    let AOfT = () => (AOfT = dart.constFn(type_variable_nested_test.A$(T)))();
+    let ListOfAOfT = () => (ListOfAOfT = dart.constFn(core.List$(AOfT())))();
+    class B extends core.Object {
+      new() {
+        this[_copy] = null;
+        this[_copy] = ListOfAOfT().new();
+      }
+    }
+    dart.addTypeTests(B);
+    dart.setSignature(B, {
+      constructors: () => ({new: dart.definiteFunctionType(type_variable_nested_test.B$(T), [])})
+    });
+    return B;
+  });
+  type_variable_nested_test.B = B();
+  type_variable_nested_test.main = function() {
+    let a = new type_variable_nested_test.B();
+    expect$.Expect.isFalse(ListOfint().is(a[_copy]));
+    expect$.Expect.isTrue(ListOfA().is(a[_copy]));
+    expect$.Expect.isTrue(ListOfAOfint().is(a[_copy]));
+    a = new (BOfString())();
+    expect$.Expect.isFalse(ListOfString().is(a[_copy]));
+    expect$.Expect.isTrue(ListOfA().is(a[_copy]));
+    expect$.Expect.isTrue(ListOfAOfString().is(a[_copy]));
+    expect$.Expect.isTrue(ListOfAOfObject().is(a[_copy]));
+    expect$.Expect.isFalse(ListOfAOfint().is(a[_copy]));
+  };
+  dart.fn(type_variable_nested_test.main, VoidTodynamic());
+  // Exports:
+  exports.type_variable_nested_test = type_variable_nested_test;
+});