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Side by Side Diff: tests/corelib_strong/regexp/global_test.dart

Issue 2771453003: Format all tests. (Closed)
Patch Set: Format files Created 3 years, 8 months ago
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1 // Copyright (c) 2014, the Dart project authors. All rights reserved. 1 // Copyright (c) 2014, the Dart project authors. All rights reserved.
2 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Copyright 2012 the V8 project authors. All rights reserved.
3 // Redistribution and use in source and binary forms, with or without 3 // Redistribution and use in source and binary forms, with or without
4 // modification, are permitted provided that the following conditions are 4 // modification, are permitted provided that the following conditions are
5 // met: 5 // met:
6 // 6 //
7 // * Redistributions of source code must retain the above copyright 7 // * Redistributions of source code must retain the above copyright
8 // notice, this list of conditions and the following disclaimer. 8 // notice, this list of conditions and the following disclaimer.
9 // * Redistributions in binary form must reproduce the above 9 // * Redistributions in binary form must reproduce the above
10 // copyright notice, this list of conditions and the following 10 // copyright notice, this list of conditions and the following
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34 str = str.replaceAll(new RegExp(r"(\w)?X"), "c"); 34 str = str.replaceAll(new RegExp(r"(\w)?X"), "c");
35 assertEquals("Ac c", str); 35 assertEquals("Ac c", str);
36 36
37 // Test zero-length matches. 37 // Test zero-length matches.
38 str = "Als Gregor Samsa eines Morgens"; 38 str = "Als Gregor Samsa eines Morgens";
39 str = str.replaceAll(new RegExp(r"\b"), "/"); 39 str = str.replaceAll(new RegExp(r"\b"), "/");
40 assertEquals("/Als/ /Gregor/ /Samsa/ /eines/ /Morgens/", str); 40 assertEquals("/Als/ /Gregor/ /Samsa/ /eines/ /Morgens/", str);
41 41
42 // Test zero-length matches that have non-zero-length sub-captures. 42 // Test zero-length matches that have non-zero-length sub-captures.
43 str = "It was a pleasure to burn."; 43 str = "It was a pleasure to burn.";
44 str = str.replaceAllMapped(new RegExp(r"(?=(\w+))\b"), (Match m) => m.group(1) .length.toString()); 44 str = str.replaceAllMapped(
45 new RegExp(r"(?=(\w+))\b"), (Match m) => m.group(1).length.toString());
45 assertEquals("2It 3was 1a 8pleasure 2to 4burn.", str); 46 assertEquals("2It 3was 1a 8pleasure 2to 4burn.", str);
46 47
47 // Test multiple captures. 48 // Test multiple captures.
48 str = "Try not. Do, or do not. There is no try."; 49 str = "Try not. Do, or do not. There is no try.";
49 str = str.replaceAllMapped(new RegExp(r"(not?)|(do)|(try)", caseSensitive: fal se), 50 str = str.replaceAllMapped(
50 (m) { 51 new RegExp(r"(not?)|(do)|(try)", caseSensitive: false), (m) {
51 if (m.group(1) != null) return "-"; 52 if (m.group(1) != null) return "-";
52 if (m.group(2) != null) return "+"; 53 if (m.group(2) != null) return "+";
53 if (m.group(3) != null) return "="; 54 if (m.group(3) != null) return "=";
54 }); 55 });
55 assertEquals("= -. +, or + -. There is - =.", str); 56 assertEquals("= -. +, or + -. There is - =.", str);
56 57
57 // Test multiple alternate captures. 58 // Test multiple alternate captures.
58 str = "FOUR LEGS GOOD, TWO LEGS BAD!"; 59 str = "FOUR LEGS GOOD, TWO LEGS BAD!";
59 str = str.replaceAllMapped(new RegExp(r"(FOUR|TWO) LEGS (GOOD|BAD)"), 60 str = str.replaceAllMapped(new RegExp(r"(FOUR|TWO) LEGS (GOOD|BAD)"), (m) {
60 (m) { 61 if (m.group(1) == "FOUR") assertTrue(m.group(2) == "GOOD");
61 if (m.group(1) == "FOUR") assertTrue(m.group(2) == "GOOD") ; 62 if (m.group(1) == "TWO") assertTrue(m.group(2) == "BAD");
62 if (m.group(1) == "TWO") assertTrue(m.group(2) == "BAD"); 63 return m.group(0).length - 10;
63 return m.group(0).length - 10; 64 });
64 });
65 assertEquals("4, 2!", str); 65 assertEquals("4, 2!", str);
66 66
67
68 // The same tests with UC16. 67 // The same tests with UC16.
69 68
70 //Test that an optional capture is cleared between two matches. 69 //Test that an optional capture is cleared between two matches.
71 str = "AB\u1234 \u1234"; 70 str = "AB\u1234 \u1234";
72 str = str.replaceAll(new RegExp(r"(\w)?\u1234"), "c"); 71 str = str.replaceAll(new RegExp(r"(\w)?\u1234"), "c");
73 assertEquals("Ac c", str); 72 assertEquals("Ac c", str);
74 73
75 // Test zero-length matches. 74 // Test zero-length matches.
76 str = "Als \u2623\u2642 eines Morgens"; 75 str = "Als \u2623\u2642 eines Morgens";
77 str = str.replaceAll(new RegExp(r"\b"), "/"); 76 str = str.replaceAll(new RegExp(r"\b"), "/");
78 77
79 // Test zero-length matches that have non-zero-length sub-captures. 78 // Test zero-length matches that have non-zero-length sub-captures.
80 str = "It was a pleasure to \u70e7."; 79 str = "It was a pleasure to \u70e7.";
81 str = str.replaceAllMapped(new RegExp(r"(?=(\w+))\b"), (m) => "${m.group(1).le ngth}"); 80 str = str.replaceAllMapped(
81 new RegExp(r"(?=(\w+))\b"), (m) => "${m.group(1).length}");
82 assertEquals("2It 3was 1a 8pleasure 2to \u70e7.", str); 82 assertEquals("2It 3was 1a 8pleasure 2to \u70e7.", str);
83 83
84 // Test multiple captures. 84 // Test multiple captures.
85 str = "Try not. D\u26aa, or d\u26aa not. There is no try."; 85 str = "Try not. D\u26aa, or d\u26aa not. There is no try.";
86 str = str.replaceAllMapped(new RegExp(r"(not?)|(d\u26aa)|(try)", caseSensitive : false), 86 str = str.replaceAllMapped(
87 (m) { 87 new RegExp(r"(not?)|(d\u26aa)|(try)", caseSensitive: false), (m) {
88 if (m.group(1) != null) return "-"; 88 if (m.group(1) != null) return "-";
89 if (m.group(2) != null) return "+"; 89 if (m.group(2) != null) return "+";
90 if (m.group(3) != null) return "="; 90 if (m.group(3) != null) return "=";
91 }); 91 });
92 assertEquals("= -. +, or + -. There is - =.", str); 92 assertEquals("= -. +, or + -. There is - =.", str);
93 93
94 // Test multiple alternate captures. 94 // Test multiple alternate captures.
95 str = "FOUR \u817f GOOD, TWO \u817f BAD!"; 95 str = "FOUR \u817f GOOD, TWO \u817f BAD!";
96 str = str.replaceAllMapped(new RegExp(r"(FOUR|TWO) \u817f (GOOD|BAD)"), 96 str = str.replaceAllMapped(new RegExp(r"(FOUR|TWO) \u817f (GOOD|BAD)"), (m) {
97 (m) { 97 if (m.group(1) == "FOUR") assertTrue(m.group(2) == "GOOD");
98 if (m.group(1) == "FOUR") assertTrue(m.group(2) == "GOOD") ; 98 if (m.group(1) == "TWO") assertTrue(m.group(2) == "BAD");
99 if (m.group(1) == "TWO") assertTrue(m.group(2) == "BAD"); 99 return m.group(0).length - 7;
100 return m.group(0).length - 7; 100 });
101 });
102 assertEquals("4, 2!", str); 101 assertEquals("4, 2!", str);
103 102
104 // Test capture that is a real substring. 103 // Test capture that is a real substring.
105 str = "Beasts of England, beasts of Ireland"; 104 str = "Beasts of England, beasts of Ireland";
106 str = str.replaceAll(new RegExp(r"(.*)"), '~'); 105 str = str.replaceAll(new RegExp(r"(.*)"), '~');
107 assertEquals("~~", str); 106 assertEquals("~~", str);
108 107
109 // Test zero-length matches that have non-zero-length sub-captures that do not 108 // Test zero-length matches that have non-zero-length sub-captures that do not
110 // start at the match start position. 109 // start at the match start position.
111 str = "up up up up"; 110 str = "up up up up";
112 str = str.replaceAllMapped(new RegExp(r"\b(?=u(p))"), (m) => "${m.group(1).len gth}"); 111 str = str.replaceAllMapped(
112 new RegExp(r"\b(?=u(p))"), (m) => "${m.group(1).length}");
113 113
114 assertEquals("1up 1up 1up 1up", str); 114 assertEquals("1up 1up 1up 1up", str);
115 115
116
117 // Create regexp that has a *lot* of captures. 116 // Create regexp that has a *lot* of captures.
118 var re_string = "(a)"; 117 var re_string = "(a)";
119 for (var i = 0; i < 500; i++) { 118 for (var i = 0; i < 500; i++) {
120 re_string = "(" + re_string + ")"; 119 re_string = "(" + re_string + ")";
121 } 120 }
122 re_string = re_string + "1"; 121 re_string = re_string + "1";
123 // re_string = "(((...((a))...)))1" 122 // re_string = "(((...((a))...)))1"
124 123
125 var regexps = new List(); 124 var regexps = new List();
126 var last_match_expectations = new List(); 125 var last_match_expectations = new List();
127 var first_capture_expectations = new List(); 126 var first_capture_expectations = new List();
128 127
129 // Atomic regexp. 128 // Atomic regexp.
130 regexps.add(new RegExp(r"a1")); 129 regexps.add(new RegExp(r"a1"));
131 last_match_expectations.add("a1"); 130 last_match_expectations.add("a1");
132 first_capture_expectations.add(""); 131 first_capture_expectations.add("");
133 // Small regexp (no capture); 132 // Small regexp (no capture);
134 regexps.add(new RegExp(r"\w1")); 133 regexps.add(new RegExp(r"\w1"));
135 last_match_expectations.add("a1"); 134 last_match_expectations.add("a1");
136 first_capture_expectations.add(""); 135 first_capture_expectations.add("");
137 // Small regexp (one capture). 136 // Small regexp (one capture).
138 regexps.add(new RegExp(r"(a)1")); 137 regexps.add(new RegExp(r"(a)1"));
139 last_match_expectations.add("a1"); 138 last_match_expectations.add("a1");
140 first_capture_expectations.add("a"); 139 first_capture_expectations.add("a");
141 // Large regexp (a lot of captures). 140 // Large regexp (a lot of captures).
142 regexps.add(new RegExp(re_string)); 141 regexps.add(new RegExp(re_string));
143 last_match_expectations.add("a1"); 142 last_match_expectations.add("a1");
144 first_capture_expectations.add("a"); 143 first_capture_expectations.add("a");
145 144
146 dynamic test_replace(result_expectation, 145 dynamic test_replace(result_expectation, subject, regexp, replacement) {
147 subject,
148 regexp,
149 replacement) {
150 for (var i = 0; i < regexps.length; i++) { 146 for (var i = 0; i < regexps.length; i++) {
151 // Conduct tests. 147 // Conduct tests.
152 assertEquals(result_expectation, subject.replaceAll(regexps[i], replacemen t)); 148 assertEquals(
149 result_expectation, subject.replaceAll(regexps[i], replacement));
153 } 150 }
154 } 151 }
155 152
156
157 // Test for different number of matches. 153 // Test for different number of matches.
158 for (var m = 0; m < 33; m++) { 154 for (var m = 0; m < 33; m++) {
159 // Create string that matches m times. 155 // Create string that matches m times.
160 var subject = ""; 156 var subject = "";
161 var test_1_expectation = ""; 157 var test_1_expectation = "";
162 var test_2_expectation = ""; 158 var test_2_expectation = "";
163 var test_3_expectation = (m == 0) ? null : new List(); 159 var test_3_expectation = (m == 0) ? null : new List();
164 for (var i = 0; i < m; i++) { 160 for (var i = 0; i < m; i++) {
165 subject += "a11"; 161 subject += "a11";
166 test_1_expectation += "x1"; 162 test_1_expectation += "x1";
167 test_2_expectation += "1"; 163 test_2_expectation += "1";
168 test_3_expectation.add("a1"); 164 test_3_expectation.add("a1");
169 } 165 }
170 166
171 // Test 1a: String.replace with string. 167 // Test 1a: String.replace with string.
172 test_replace(test_1_expectation, subject, new RegExp(r"a1"), "x"); 168 test_replace(test_1_expectation, subject, new RegExp(r"a1"), "x");
173 169
174 // Test 2a: String.replace with empty string. 170 // Test 2a: String.replace with empty string.
175 test_replace(test_2_expectation, subject, new RegExp(r"a1"), ""); 171 test_replace(test_2_expectation, subject, new RegExp(r"a1"), "");
176 } 172 }
177 173
178
179 // Test String hashing (compiling regular expression includes hashing). 174 // Test String hashing (compiling regular expression includes hashing).
180 var crosscheck = "\x80"; 175 var crosscheck = "\x80";
181 for (var i = 0; i < 12; i++) crosscheck += crosscheck; 176 for (var i = 0; i < 12; i++) crosscheck += crosscheck;
182 new RegExp(crosscheck); 177 new RegExp(crosscheck);
183 178
184 var subject = "ascii~only~string~here~"; 179 var subject = "ascii~only~string~here~";
185 var replacement = "\x80"; 180 var replacement = "\x80";
186 var result = subject.replaceAll(new RegExp(r"~"), replacement); 181 var result = subject.replaceAll(new RegExp(r"~"), replacement);
187 for (var i = 0; i < 5; i++) result += result; 182 for (var i = 0; i < 5; i++) result += result;
188 new RegExp(result); 183 new RegExp(result);
189 } 184 }
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