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1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2011, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 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. | 3 // BSD-style license that can be found in the LICENSE file. |
4 // Dart test program testing closures. | 4 // Dart test program testing closures. |
5 | 5 |
6 class LocalFunctionTest { | 6 class LocalFunctionTest { |
7 LocalFunctionTest() : field1 = 100, field2_ = 200 { } | 7 LocalFunctionTest() : field1 = 100, field2_ = 200 { } |
8 static int f(int n) { | 8 static int f(int n) { |
9 int a = 0; | 9 int a = 0; |
10 g(int m) { | 10 g(int m) { |
11 a = 3*n + m + 1; // Capture parameter n and local a. | 11 a = 3*n + m + 1; // Capture parameter n and local a. |
12 return a; | 12 return a; |
13 } | 13 } |
14 var b = g(n); | 14 var b = g(n); |
15 return a + b; | 15 return a + b; |
16 } | 16 } |
17 static int h(int n) { | 17 static int h(int n) { |
18 k(int n) { | 18 k(int n) { |
19 var a = new List.fixedLength(n); | 19 var a = new List(n); |
20 var b = new List.fixedLength(n); | 20 var b = new List(n); |
21 int i; | 21 int i; |
22 for (i = 0; i < n; i++) { | 22 for (i = 0; i < n; i++) { |
23 var j = i; | 23 var j = i; |
24 a[i] = () => i; // Captured i is always n. | 24 a[i] = () => i; // Captured i is always n. |
25 b[i] = () => j; // Captured j varies from 0 to n-1. | 25 b[i] = () => j; // Captured j varies from 0 to n-1. |
26 } | 26 } |
27 var a_sum = 0; | 27 var a_sum = 0; |
28 var b_sum = 0; | 28 var b_sum = 0; |
29 for (int i = 0; i < n; i++) { | 29 for (int i = 0; i < n; i++) { |
30 a_sum += a[i](); | 30 a_sum += a[i](); |
31 b_sum += b[i](); | 31 b_sum += b[i](); |
32 } | 32 } |
33 return a_sum + b_sum; | 33 return a_sum + b_sum; |
34 } | 34 } |
35 return k(n); | 35 return k(n); |
36 } | 36 } |
37 static int h2(int n) { | 37 static int h2(int n) { |
38 k(int n) { | 38 k(int n) { |
39 var a = new List.fixedLength(n); | 39 var a = new List(n); |
40 var b = new List.fixedLength(n); | 40 var b = new List(n); |
41 for (int i = 0; i < n; i++) { | 41 for (int i = 0; i < n; i++) { |
42 var j = i; | 42 var j = i; |
43 a[i] = () => i; // Captured i varies from 0 to n-1. | 43 a[i] = () => i; // Captured i varies from 0 to n-1. |
44 b[i] = () => j; // Captured j varies from 0 to n-1. | 44 b[i] = () => j; // Captured j varies from 0 to n-1. |
45 } | 45 } |
46 var a_sum = 0; | 46 var a_sum = 0; |
47 var b_sum = 0; | 47 var b_sum = 0; |
48 for (int i = 0; i < n; i++) { | 48 for (int i = 0; i < n; i++) { |
49 a_sum += a[i](); | 49 a_sum += a[i](); |
50 b_sum += b[i](); | 50 b_sum += b[i](); |
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87 } else { | 87 } else { |
88 return 1 + foo(n - 1); // Local foo, not static foo. | 88 return 1 + foo(n - 1); // Local foo, not static foo. |
89 } | 89 } |
90 }; | 90 }; |
91 return foo(n); // Local foo, not static foo. | 91 return foo(n); // Local foo, not static foo. |
92 } | 92 } |
93 static void hep(Function f) { | 93 static void hep(Function f) { |
94 f(); | 94 f(); |
95 } | 95 } |
96 static testNesting(int n) { | 96 static testNesting(int n) { |
97 var a = new List.fixedLength(n*n); | 97 var a = new List(n*n); |
98 f0() { | 98 f0() { |
99 for (int i = 0; i < n; i++) { | 99 for (int i = 0; i < n; i++) { |
100 int vi = i; | 100 int vi = i; |
101 f1() { | 101 f1() { |
102 for (int j = 0; j < n; j++) { | 102 for (int j = 0; j < n; j++) { |
103 int vj = j; | 103 int vj = j; |
104 a[i*n + j] = () => vi*n + vj; | 104 a[i*n + j] = () => vi*n + vj; |
105 } | 105 } |
106 } | 106 } |
107 f1(); | 107 f1(); |
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183 Expect.equals(24*25/2, testNesting(5)); | 183 Expect.equals(24*25/2, testNesting(5)); |
184 Expect.equals(true, testClosureCallStatement(7)); | 184 Expect.equals(true, testClosureCallStatement(7)); |
185 Expect.equals(99, doThis(10, (n) => n * n - 1)); | 185 Expect.equals(99, doThis(10, (n) => n * n - 1)); |
186 testExceptions(); | 186 testExceptions(); |
187 } | 187 } |
188 } | 188 } |
189 | 189 |
190 main() { | 190 main() { |
191 LocalFunctionTest.testMain(); | 191 LocalFunctionTest.testMain(); |
192 } | 192 } |
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