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Issue 2989473002: Migrated test block 27 to Dart 2.0. (Closed)
Patch Set: Addressed Bob's nits and fixed test failures Created 3 years, 5 months ago
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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file
2 // for details. All rights reserved. Use of this source code is governed by a
3 // BSD-style license that can be found in the LICENSE file.
4 // Dart test program for testing class 'StringBase' (currently VM specific).
5
6 library string_base_test;
7
8 import "package:expect/expect.dart";
9
10 class StringBaseTest {
11 StringBaseTest() {}
12
13 toString() {
14 return "StringBase Tester";
15 }
16
17 static testInterpolation() {
18 var answer = 40 + 2;
19 var s = "The answer is $answer.";
20 Expect.equals("The answer is 42.", s);
21
22 int numBottles = 33;
23 String wall = "wall";
24 s = "${numBottles*3} bottles of beer on the $wall.";
25 Expect.equals("99 bottles of beer on the wall.", s);
26 }
27
28 static testCreation() {
29 String s = "Hello";
30 List<int> a = new List(s.length);
31 List<int> ga = new List();
32 bool exception_caught = false;
33 for (int i = 0; i < a.length; i++) {
34 a[i] = s.codeUnitAt(i);
35 ga.add(s.codeUnitAt(i));
36 }
37 try {
38 String s4 = new String.fromCharCodes([0.0]);
39 } on ArgumentError catch (ex) {
40 exception_caught = true;
41 } on TypeError catch (ex) {
42 exception_caught = true;
43 }
44 Expect.equals(true, exception_caught);
45 exception_caught = false;
46 try {
47 String s4 = new String.fromCharCodes([-1]);
48 } on ArgumentError catch (ex) {
49 exception_caught = true;
50 }
51 Expect.equals(true, exception_caught);
52 }
53
54 static testSubstring() {
55 String s = "Hello World";
56 Expect.equals("World", s.substring(6, s.length));
57 Expect.equals("", s.substring(8, 8));
58 bool exception_caught = false;
59 try {
60 s.substring(5, 12);
61 } on RangeError catch (ex) {
62 exception_caught = true;
63 }
64 Expect.equals(true, exception_caught);
65 exception_caught = false;
66 try {
67 s.substring(5, 4);
68 } on RangeError catch (ex) {
69 exception_caught = true;
70 }
71 Expect.equals(true, exception_caught);
72 }
73
74 static void testMain() {
75 testInterpolation();
76 testCreation();
77 testSubstring();
78 }
79 }
80
81 main() {
82 StringBaseTest.testMain();
83 }
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