Check in codegen test expectations.

test/codegen/expect/corelib/map_from_iterables_test.js

+dart_library.library('corelib/map_from_iterables_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__map_from_iterables_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const _interceptors = dart_sdk._interceptors;
+  const collection = dart_sdk.collection;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const map_from_iterables_test = Object.create(null);
+  let JSArrayOfint = () => (JSArrayOfint = dart.constFn(_interceptors.JSArray$(core.int)))();
+  let JSArrayOfString = () => (JSArrayOfString = dart.constFn(_interceptors.JSArray$(core.String)))();
+  let MapOfint$String = () => (MapOfint$String = dart.constFn(core.Map$(core.int, core.String)))();
+  let MapOfString$dynamic = () => (MapOfString$dynamic = dart.constFn(core.Map$(core.String, dart.dynamic)))();
+  let MapOfdynamic$int = () => (MapOfdynamic$int = dart.constFn(core.Map$(dart.dynamic, core.int)))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  let VoidToMap = () => (VoidToMap = dart.constFn(dart.definiteFunctionType(core.Map, [])))();
+  map_from_iterables_test.main = function() {
+    map_from_iterables_test.positiveTest();
+    map_from_iterables_test.emptyMapTest();
+    map_from_iterables_test.fewerKeysIterableTest();
+    map_from_iterables_test.fewerValuesIterableTest();
+    map_from_iterables_test.equalElementsTest();
+    map_from_iterables_test.genericTypeTest();
+  };
+  dart.fn(map_from_iterables_test.main, VoidTodynamic());
+  map_from_iterables_test.positiveTest = function() {
+    let map = core.Map.fromIterables(JSArrayOfint().of([1, 2, 3]), JSArrayOfString().of(["one", "two", "three"]));
+    expect$.Expect.isTrue(core.Map.is(map));
+    expect$.Expect.isTrue(collection.LinkedHashMap.is(map));
+    expect$.Expect.equals(3, map[dartx.length]);
+    expect$.Expect.equals(3, map[dartx.keys][dartx.length]);
+    expect$.Expect.equals(3, map[dartx.values][dartx.length]);
+    expect$.Expect.equals("one", map[dartx.get](1));
+    expect$.Expect.equals("two", map[dartx.get](2));
+    expect$.Expect.equals("three", map[dartx.get](3));
+  };
+  dart.fn(map_from_iterables_test.positiveTest, VoidTovoid());
+  map_from_iterables_test.emptyMapTest = function() {
+    let map = core.Map.fromIterables([], []);
+    expect$.Expect.isTrue(core.Map.is(map));
+    expect$.Expect.isTrue(collection.LinkedHashMap.is(map));
+    expect$.Expect.equals(0, map[dartx.length]);
+    expect$.Expect.equals(0, map[dartx.keys][dartx.length]);
+    expect$.Expect.equals(0, map[dartx.values][dartx.length]);
+  };
+  dart.fn(map_from_iterables_test.emptyMapTest, VoidTovoid());
+  map_from_iterables_test.fewerValuesIterableTest = function() {
+    expect$.Expect.throws(dart.fn(() => core.Map.fromIterables(JSArrayOfint().of([1, 2]), JSArrayOfint().of([0])), VoidToMap()));
+  };
+  dart.fn(map_from_iterables_test.fewerValuesIterableTest, VoidTovoid());
+  map_from_iterables_test.fewerKeysIterableTest = function() {
+    expect$.Expect.throws(dart.fn(() => core.Map.fromIterables(JSArrayOfint().of([1]), JSArrayOfint().of([0, 2])), VoidToMap()));
+  };
+  dart.fn(map_from_iterables_test.fewerKeysIterableTest, VoidTovoid());
+  map_from_iterables_test.equalElementsTest = function() {
+    let map = core.Map.fromIterables(JSArrayOfint().of([1, 2, 2]), JSArrayOfString().of(["one", "two", "three"]));
+    expect$.Expect.isTrue(core.Map.is(map));
+    expect$.Expect.isTrue(collection.LinkedHashMap.is(map));
+    expect$.Expect.equals(2, map[dartx.length]);
+    expect$.Expect.equals(2, map[dartx.keys][dartx.length]);
+    expect$.Expect.equals(2, map[dartx.values][dartx.length]);
+    expect$.Expect.equals("one", map[dartx.get](1));
+    expect$.Expect.equals("three", map[dartx.get](2));
+  };
+  dart.fn(map_from_iterables_test.equalElementsTest, VoidTovoid());
+  map_from_iterables_test.genericTypeTest = function() {
+    let map = MapOfint$String().fromIterables(JSArrayOfint().of([1, 2, 3]), JSArrayOfString().of(["one", "two", "three"]));
+    expect$.Expect.isTrue(MapOfint$String().is(map));
+    expect$.Expect.isFalse(MapOfString$dynamic().is(map));
+    expect$.Expect.isFalse(MapOfdynamic$int().is(map));
+    expect$.Expect.equals(3, map[dartx.length]);
+    expect$.Expect.equals(3, map[dartx.keys][dartx.length]);
+    expect$.Expect.equals(3, map[dartx.values][dartx.length]);
+    expect$.Expect.equals("one", map[dartx.get](1));
+    expect$.Expect.equals("two", map[dartx.get](2));
+    expect$.Expect.equals("three", map[dartx.get](3));
+  };
+  dart.fn(map_from_iterables_test.genericTypeTest, VoidTovoid());
+  // Exports:
+  exports.map_from_iterables_test = map_from_iterables_test;
+});