hausner@google.com
1811a6b913
Old name Dynamic is supported, and automatically converted to lower-case dynamic when parsed. VM flag --warn_legacy_dynamic prints warnings when Dynamic is found. Review URL: https://codereview.chromium.org//11125005 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@13637 260f80e4-7a28-3924-810f-c04153c831b5
94 lines
2.4 KiB
Dart
94 lines
2.4 KiB
Dart
// Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
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// for details. All rights reserved. Use of this source code is governed by a
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// BSD-style license that can be found in the LICENSE file.
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// Dart test program for testing the instanceof operation.
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// In the type test 'e is T', it is a run-time error if T does not denote a type
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// available in the current lexical scope.
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isCheckedMode() {
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try {
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var i = 1;
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String s = i;
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return false;
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} catch (e) {
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return true;
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}
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}
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testAll() {
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{
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bool got_type_error = false;
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var x = null;
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try {
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Expect.isFalse(x is UndeclaredType); // x is null.
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} on TypeError catch (error) {
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got_type_error = true;
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}
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// Type error in production mode and in checked mode.
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Expect.isTrue(got_type_error);
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}
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{
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bool got_type_error = false;
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var x = 1;
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try {
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Expect.isFalse(x is UndeclaredType); // x is not null.
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} on TypeError catch (error) {
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got_type_error = true;
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}
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// Type error in production mode and in checked mode.
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Expect.isTrue(got_type_error);
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}
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{
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bool got_type_error = false;
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var x = null;
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try {
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Expect.isFalse(x is List<UndeclaredType>); // x is null.
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} on TypeError catch (error) {
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got_type_error = true;
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}
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// Type error in checked mode only.
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Expect.isTrue(got_type_error == isCheckedMode());
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}
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{
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bool got_type_error = false;
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var x = 1;
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try {
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Expect.isFalse(x is List<UndeclaredType>); // x is not a List.
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} on TypeError catch (error) {
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got_type_error = true;
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}
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// Type error in checked mode only.
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Expect.isTrue(got_type_error == isCheckedMode());
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}
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{
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bool got_type_error = false;
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var x = new List();
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try {
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Expect.isTrue(x is List<UndeclaredType>); // x is a List<dynamic>.
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} on TypeError catch (error) {
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got_type_error = true;
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}
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// Type error in checked mode only.
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Expect.isTrue(got_type_error == isCheckedMode());
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}
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{
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bool got_type_error = false;
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var x = new List<int>();
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try {
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Expect.isTrue(x is List<UndeclaredType>); // x is a List<int>.
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} on TypeError catch (error) {
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got_type_error = true;
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}
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// Type error in checked mode only.
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Expect.isTrue(got_type_error == isCheckedMode());
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}
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}
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main() {
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// Repeat type checks so that inlined tests can be tested as well.
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for (int i = 0; i < 5; i++) {
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testAll();
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}
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}
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