Check in codegen test expectations.

test/codegen/expect/corelib/list_index_of_test.js

Index: test/codegen/expect/corelib/list_index_of_test.js
diff --git a/test/codegen/expect/corelib/list_index_of_test.js b/test/codegen/expect/corelib/list_index_of_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..fb8aafe33c1788b3566b66951aedc14e25f00751
--- /dev/null
+++ b/test/codegen/expect/corelib/list_index_of_test.js
@@ -0,0 +1,42 @@
+dart_library.library('corelib/list_index_of_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__list_index_of_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 list_index_of_test = Object.create(null);
+  let ListOfint = () => (ListOfint = dart.constFn(core.List$(core.int)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let ListOfintTovoid = () => (ListOfintTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [ListOfint()])))();
+  list_index_of_test.main = function() {
+    list_index_of_test.test(ListOfint().new(5));
+    let l = ListOfint().new();
+    l[dartx.length] = 5;
+    list_index_of_test.test(l);
+  };
+  dart.fn(list_index_of_test.main, VoidTodynamic());
+  list_index_of_test.test = function(list) {
+    list[dartx.set](0, 1);
+    list[dartx.set](1, 2);
+    list[dartx.set](2, 3);
+    list[dartx.set](3, 4);
+    list[dartx.set](4, 1);
+    expect$.Expect.equals(3, list[dartx.indexOf](4, 0));
+    expect$.Expect.equals(0, list[dartx.indexOf](1, 0));
+    expect$.Expect.equals(4, list[dartx.lastIndexOf](1, dart.notNull(list[dartx.length]) - 1));
+    expect$.Expect.equals(4, list[dartx.indexOf](1, 1));
+    expect$.Expect.equals(-1, list[dartx.lastIndexOf](4, 2));
+    expect$.Expect.equals(3, list[dartx.indexOf](4, 2));
+    expect$.Expect.equals(3, list[dartx.indexOf](4, -5));
+    expect$.Expect.equals(-1, list[dartx.indexOf](4, 50));
+    expect$.Expect.equals(-1, list[dartx.lastIndexOf](4, 2));
+    expect$.Expect.equals(-1, list[dartx.lastIndexOf](4, -5));
+    expect$.Expect.equals(3, list[dartx.lastIndexOf](4, 50));
+  };
+  dart.fn(list_index_of_test.test, ListOfintTovoid());
+  // Exports:
+  exports.list_index_of_test = list_index_of_test;
+});