Check in codegen test expectations.

test/codegen/expect/corelib/collection_length_test.js

Index: test/codegen/expect/corelib/collection_length_test.js
diff --git a/test/codegen/expect/corelib/collection_length_test.js b/test/codegen/expect/corelib/collection_length_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..0b2f980ce6d74bd0831fddbd44a1ad7d21212853
--- /dev/null
+++ b/test/codegen/expect/corelib/collection_length_test.js
@@ -0,0 +1,89 @@
+dart_library.library('corelib/collection_length_test', null, /* Imports */[
+  'dart_sdk'
+], function load__collection_length_test(exports, dart_sdk) {
+  'use strict';
+  const core = dart_sdk.core;
+  const collection = dart_sdk.collection;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const collection_length_test = Object.create(null);
+  let intTovoid = () => (intTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.int])))();
+  let MapAndintTovoid = () => (MapAndintTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.Map, core.int])))();
+  let dynamicAnddynamicTovoid = () => (dynamicAnddynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic, dart.dynamic])))();
+  let ListAnddynamicTovoid = () => (ListAnddynamicTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [core.List, dart.dynamic])))();
+  let dynamicAndintTovoid = () => (dynamicAndintTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [dart.dynamic, core.int])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  collection_length_test.testString = function(n) {
+    let s = "x";
+    let string = "";
+    let length = n;
+    while (true) {
+      if ((dart.notNull(length) & 1) == 1) {
+        string = string + s;
+      }
+      length = length[dartx['>>']](1);
+      if (length == 0) break;
+      s = s + s;
+    }
+    collection_length_test.testLength(string, n);
+    collection_length_test.testLength(string[dartx.codeUnits], n);
+  };
+  dart.fn(collection_length_test.testString, intTovoid());
+  collection_length_test.testMap = function(map, n) {
+    for (let i = 0; i < dart.notNull(n); i++) {
+      map[dartx.set](i, i);
+    }
+    collection_length_test.testLength(map, n);
+    collection_length_test.testLength(map[dartx.keys], n);
+    collection_length_test.testLength(map[dartx.values], n);
+  };
+  dart.fn(collection_length_test.testMap, MapAndintTovoid());
+  collection_length_test.testCollection = function(collection, n) {
+    for (let i = 0; i < dart.notNull(core.num._check(n)); i++) {
+      dart.dsend(collection, 'add', i);
+    }
+    collection_length_test.testLength(collection, core.int._check(n));
+  };
+  dart.fn(collection_length_test.testCollection, dynamicAnddynamicTovoid());
+  collection_length_test.testList = function(list, n) {
+    for (let i = 0; i < dart.notNull(core.num._check(n)); i++) {
+      list[dartx.set](i, i);
+    }
+    collection_length_test.testLength(list, core.int._check(n));
+  };
+  dart.fn(collection_length_test.testList, ListAnddynamicTovoid());
+  collection_length_test.testLength = function(lengthable, size) {
+    core.print(dart.runtimeType(lengthable));
+    let length = 0;
+    for (let i = 0; i < 100000; i++) {
+      if (!dart.test(dart.dload(lengthable, 'isEmpty'))) {
+        length = dart.notNull(length) + dart.notNull(core.int._check(dart.dload(lengthable, 'length')));
+      }
+      if (dart.test(dart.dload(lengthable, 'isNotEmpty'))) {
+        length = dart.notNull(length) + dart.notNull(core.int._check(dart.dload(lengthable, 'length')));
+      }
+    }
+    if (length != dart.notNull(size) * 200000) dart.throw(dart.str`Bad length: ${length} / size: ${size}`);
+  };
+  dart.fn(collection_length_test.testLength, dynamicAndintTovoid());
+  collection_length_test.main = function() {
+    let N = 100000;
+    collection_length_test.testMap(collection.HashMap.new(), N);
+    collection_length_test.testMap(collection.LinkedHashMap.new(), N);
+    collection_length_test.testMap(new collection.SplayTreeMap(), N);
+    collection_length_test.testCollection(collection.HashSet.new(), N);
+    collection_length_test.testCollection(collection.LinkedHashSet.new(), N);
+    collection_length_test.testCollection(new collection.ListQueue(), N);
+    collection_length_test.testCollection(new collection.DoubleLinkedQueue(), N);
+    collection_length_test.testList((() => {
+      let _ = core.List.new();
+      _[dartx.length] = N;
+      return _;
+    })(), N);
+    collection_length_test.testList(core.List.new(N), N);
+    collection_length_test.testString(N);
+  };
+  dart.fn(collection_length_test.main, VoidTodynamic());
+  // Exports:
+  exports.collection_length_test = collection_length_test;
+});