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Side by Side Diff: tests/language/throw_expr_test.dart

Issue 10982051: Make throw an expression (Closed) Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/
Patch Set: Created 8 years, 2 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
5 // Dart test program for testing throw expressions.
6
7 void test1() {
8 var x = 6;
9 try {
10 throw x = 10;
11 x = 0;
12 } catch(e) {
13 Expect.equals(10, e);
14 Expect.equals(10, x);
15 x = 15;
16 }
17 Expect.equals(15, x);
18 x = 100;
19 try {
20 throw x++;
21 x = 0;
22 } catch(e) {
23 Expect.equals(100, e);
24 Expect.equals(101, x);
25 x = 150;
26 }
27 Expect.equals(150, x);
28 }
29
30 void test2() {
31 var x = 6;
32 try {
33 throw x + 4;
34 } catch(e) {
35 Expect.equals(10, e);
36 Expect.equals(6, x);
37 x = 15;
38 }
39 Expect.equals(15, x);
40 }
41
42 foo(x, y) => throw "foo" "$x";
43
44 bar(x, y) => throw "foo" "${throw x}";
45
46 class Q {
47 var qqq;
48 f(x) { qqq = x; }
49 }
50
51 void test3() {
52 try {
53 throw throw throw "throw";
54 } catch(e) {
55 Expect.equals("throw", e);
56 }
siva 2012/09/26 21:09:12 I think the test will read much better if you chan
57
58 var x = 10;
59 try {
60 foo(x = 12, throw 7);
61 } catch(e) {
62 Expect.equals(7, e);
63 Expect.equals(12, x);
64 }
65
66 x = 10;
67 try {
68 foo(x++, 10);
69 } catch(e) {
70 Expect.equals("foo10", e);
71 Expect.equals(11, x);
72 }
73
74 x = 100;
75 try {
76 bar(++x, 10);
77 } catch(e) {
78 Expect.equals(101, e);
79 Expect.equals(101, x);
80 }
81
82 x = null;
83 try {
84 x = new Q();
85 x..f(11) ..qqq = throw 77 ..f(22);
86 } catch(e) {
87 Expect.equals(77, e);
88 Expect.equals(11, x.qqq);
89 }
90 }
91
92 main() {
93 test1();
94 test2();
95 test3();
96 }
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