The Tor Browser / file comparison
comparison: xpcom/tests/TestCRT.cpp
xpcom/tests/TestCRT.cpp
- branch
- TOR_BUG_3246
- changeset 7
- 129ffea94266
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| -1:000000000000 | 0:8efd6f1ab906 |
|---|---|
| 1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 #include "nsCRT.h" | |
| 7 #include "nsString.h" | |
| 8 #include "plstr.h" | |
| 9 #include <stdlib.h> | |
| 10 | |
| 11 namespace TestCRT { | |
| 12 | |
| 13 // The return from strcmp etc is only defined to be postive, zero or | |
| 14 // negative. The magnitude of a non-zero return is irrelevant. | |
| 15 int sign(int val) { | |
| 16 if (val == 0) | |
| 17 return 0; | |
| 18 else { | |
| 19 if (val > 0) | |
| 20 return 1; | |
| 21 else | |
| 22 return -1; | |
| 23 } | |
| 24 } | |
| 25 | |
| 26 | |
| 27 // Verify that nsCRT versions of string comparison routines get the | |
| 28 // same answers as the native non-unicode versions. We only pass in | |
| 29 // iso-latin-1 strings, so the comparison must be valid. | |
| 30 static void Check(const char* s1, const char* s2, int n) | |
| 31 { | |
| 32 #ifdef DEBUG | |
| 33 int clib = | |
| 34 #endif | |
| 35 PL_strcmp(s1, s2); | |
| 36 | |
| 37 #ifdef DEBUG | |
| 38 int clib_n = | |
| 39 #endif | |
| 40 PL_strncmp(s1, s2, n); | |
| 41 | |
| 42 nsAutoString t1,t2; | |
| 43 t1.AssignWithConversion(s1); | |
| 44 t2.AssignWithConversion(s2); | |
| 45 const char16_t* us1 = t1.get(); | |
| 46 const char16_t* us2 = t2.get(); | |
| 47 | |
| 48 #ifdef DEBUG | |
| 49 int u2 = | |
| 50 #endif | |
| 51 nsCRT::strcmp(us1, us2); | |
| 52 | |
| 53 #ifdef DEBUG | |
| 54 int u2_n = | |
| 55 #endif | |
| 56 nsCRT::strncmp(us1, us2, n); | |
| 57 | |
| 58 NS_ASSERTION(sign(clib) == sign(u2), "strcmp"); | |
| 59 NS_ASSERTION(sign(clib_n) == sign(u2_n), "strncmp"); | |
| 60 } | |
| 61 | |
| 62 struct Test { | |
| 63 const char* s1; | |
| 64 const char* s2; | |
| 65 int n; | |
| 66 }; | |
| 67 | |
| 68 static Test tests[] = { | |
| 69 { "foo", "foo", 3 }, | |
| 70 { "foo", "fo", 3 }, | |
| 71 | |
| 72 { "foo", "bar", 3 }, | |
| 73 { "foo", "ba", 3 }, | |
| 74 | |
| 75 { "foo", "zap", 3 }, | |
| 76 { "foo", "za", 3 }, | |
| 77 | |
| 78 { "bar", "foo", 3 }, | |
| 79 { "bar", "fo", 3 }, | |
| 80 | |
| 81 { "bar", "foo", 3 }, | |
| 82 { "bar", "fo", 3 }, | |
| 83 }; | |
| 84 #define NUM_TESTS int((sizeof(tests) / sizeof(tests[0]))) | |
| 85 | |
| 86 } | |
| 87 | |
| 88 using namespace TestCRT; | |
| 89 | |
| 90 int main() | |
| 91 { | |
| 92 Test* tp = tests; | |
| 93 for (int i = 0; i < NUM_TESTS; i++, tp++) { | |
| 94 Check(tp->s1, tp->s2, tp->n); | |
| 95 } | |
| 96 | |
| 97 return 0; | |
| 98 } |
