Check in codegen test expectations.

test/codegen/expect/language/named_parameter_clash_test.js

Index: test/codegen/expect/language/named_parameter_clash_test.js
diff --git a/test/codegen/expect/language/named_parameter_clash_test.js b/test/codegen/expect/language/named_parameter_clash_test.js
new file mode 100644
index 0000000000000000000000000000000000000000..28f638ae945ca2459d88b98a8ca2f434b6511cb6
--- /dev/null
+++ b/test/codegen/expect/language/named_parameter_clash_test.js
@@ -0,0 +1,63 @@
+dart_library.library('language/named_parameter_clash_test', null, /* Imports */[
+  'dart_sdk',
+  'expect'
+], function load__named_parameter_clash_test(exports, dart_sdk, expect) {
+  'use strict';
+  const core = dart_sdk.core;
+  const _interceptors = dart_sdk._interceptors;
+  const dart = dart_sdk.dart;
+  const dartx = dart_sdk.dartx;
+  const expect$ = expect.expect;
+  const named_parameter_clash_test = Object.create(null);
+  let JSArrayOfObject = () => (JSArrayOfObject = dart.constFn(_interceptors.JSArray$(core.Object)))();
+  let dynamicAnddynamicTodynamic = () => (dynamicAnddynamicTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [dart.dynamic, dart.dynamic])))();
+  let VoidTovoid = () => (VoidTovoid = dart.constFn(dart.definiteFunctionType(dart.void, [])))();
+  let dynamicTobool = () => (dynamicTobool = dart.constFn(dart.definiteFunctionType(core.bool, [dart.dynamic])))();
+  let VoidTodynamic = () => (VoidTodynamic = dart.constFn(dart.definiteFunctionType(dart.dynamic, [])))();
+  named_parameter_clash_test.Foo = class Foo extends core.Object {
+    m(opts) {
+      let a = opts && 'a' in opts ? opts.a : null;
+      let b = opts && 'b' in opts ? opts.b : null;
+      let c = opts && 'c' in opts ? opts.c : null;
+      try {
+      } catch (e) {
+      }
+
+      return dart.str`Foo ${a} ${b} ${c}`;
+    }
+  };
+  dart.setSignature(named_parameter_clash_test.Foo, {
+    methods: () => ({m: dart.definiteFunctionType(dart.dynamic, [], {a: dart.dynamic, b: dart.dynamic, c: dart.dynamic})})
+  });
+  named_parameter_clash_test.Bar = class Bar extends core.Object {
+    m(z, opts) {
+      let a$b = opts && 'a$b' in opts ? opts.a$b : null;
+      let c = opts && 'c' in opts ? opts.c : null;
+      try {
+      } catch (e) {
+      }
+
+      let ab = a$b;
+      return dart.str`Bar ${z} ${ab} ${c}`;
+    }
+  };
+  dart.setSignature(named_parameter_clash_test.Bar, {
+    methods: () => ({m: dart.definiteFunctionType(dart.dynamic, [dart.dynamic], {a$b: dart.dynamic, c: dart.dynamic})})
+  });
+  named_parameter_clash_test.inscrutable = function(xs, i) {
+    return dart.equals(i, 0) ? dart.dindex(xs, 0) : named_parameter_clash_test.inscrutable(dart.dsend(xs, 'sublist', 1), dart.dsend(i, '-', 1));
+  };
+  dart.fn(named_parameter_clash_test.inscrutable, dynamicAnddynamicTodynamic());
+  named_parameter_clash_test.main = function() {
+    let list = JSArrayOfObject().of([new named_parameter_clash_test.Foo(), new named_parameter_clash_test.Bar()]);
+    let foo = named_parameter_clash_test.inscrutable(list, 0);
+    let bar = named_parameter_clash_test.inscrutable(list, 1);
+    expect$.Expect.equals('Foo a b c', dart.dsend(foo, 'm', {a: 'a', b: 'b', c: 'c'}));
+    expect$.Expect.equals('Bar z a$b c', dart.dsend(bar, 'm', 'z', {a$b: 'a$b', c: 'c'}));
+    expect$.Expect.throws(dart.fn(() => dart.dsend(foo, 'm', 'z', {a$b: 'a$b', c: 'c'}), VoidTovoid()), dart.fn(e => core.NoSuchMethodError.is(e), dynamicTobool()));
+    expect$.Expect.throws(dart.fn(() => dart.dsend(bar, 'm', {a: 'a', b: 'b', c: 'c'}), VoidTovoid()), dart.fn(e => core.NoSuchMethodError.is(e), dynamicTobool()));
+  };
+  dart.fn(named_parameter_clash_test.main, VoidTodynamic());
+  // Exports:
+  exports.named_parameter_clash_test = named_parameter_clash_test;
+});