The Tor Browser: layout/style/test/TestCSSPropertyLookup.cpp@8bccb770b82d

     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 #include <stdio.h>

     6 #include "plstr.h"

     7 #include "nsCSSProps.h"

     8 #include "nsCSSKeywords.h"

     9 #include "nsString.h"

    10 #include "nsXPCOM.h"

    12 static const char* const kJunkNames[] = {

    13   nullptr,

    14   "",

    15   "123",

    16   "backgroundz",

    17   "zzzzzz",

    18   "#@$&@#*@*$@$#"

    19 };

    21 static bool

    22 TestProps()

    23 {

    24   bool success = true;

    25   nsCSSProperty id;

    26   nsCSSProperty index;

    28   // Everything appears to assert if we don't do this first...

    29   nsCSSProps::AddRefTable();

    31   // First make sure we can find all of the tags that are supposed to

    32   // be in the table. Futz with the case to make sure any case will

    33   // work

    34   extern const char* const kCSSRawProperties[];

    35   const char*const* et = &kCSSRawProperties[0];

    36   const char*const* end = &kCSSRawProperties[eCSSProperty_COUNT];

    37   index = eCSSProperty_UNKNOWN;

    38   while (et < end) {

    39     char tagName[100];

    40     PL_strcpy(tagName, *et);

    41     index = nsCSSProperty(int32_t(index) + 1);

    43     id = nsCSSProps::LookupProperty(nsCString(tagName),

    44                                     nsCSSProps::eIgnoreEnabledState);

    45     if (id == eCSSProperty_UNKNOWN) {

    46       printf("bug: can't find '%s'\n", tagName);

    47       success = false;

    48     }

    49     if (id != index) {

    50       printf("bug: name='%s' id=%d index=%d\n", tagName, id, index);

    51       success = false;

    52     }

    54     // fiddle with the case to make sure we can still find it

    55     if (('a' <= tagName[0]) && (tagName[0] <= 'z')) {

    56       tagName[0] = tagName[0] - 32;

    57     }

    58     id = nsCSSProps::LookupProperty(NS_ConvertASCIItoUTF16(tagName),

    59                                     nsCSSProps::eIgnoreEnabledState);

    60     if (id < 0) {

    61       printf("bug: can't find '%s'\n", tagName);

    62       success = false;

    63     }

    64     if (index != id) {

    65       printf("bug: name='%s' id=%d index=%d\n", tagName, id, index);

    66       success = false;

    67     }

    68     et++;

    69   }

    71   // Now make sure we don't find some garbage

    72   for (int i = 0; i < (int) (sizeof(kJunkNames) / sizeof(const char*)); i++) {

    73     const char* const tag = kJunkNames[i];

    74     id = nsCSSProps::LookupProperty(nsAutoCString(tag),

    75                                     nsCSSProps::eIgnoreEnabledState);

    76     if (id >= 0) {

    77       printf("bug: found '%s'\n", tag ? tag : "(null)");

    78       success = false;

    79     }

    80   }

    82   nsCSSProps::ReleaseTable();

    83   return success;

    84 }

    86 bool

    87 TestKeywords()

    88 {

    89   nsCSSKeywords::AddRefTable();

    91   bool success = true;

    92   nsCSSKeyword id;

    93   nsCSSKeyword index;

    95   extern const char* const kCSSRawKeywords[];

    97   // First make sure we can find all of the tags that are supposed to

    98   // be in the table. Futz with the case to make sure any case will

    99   // work

   100   const char*const*  et = &kCSSRawKeywords[0];

   101   const char*const*  end = &kCSSRawKeywords[eCSSKeyword_COUNT - 1];

   102   index = eCSSKeyword_UNKNOWN;

   103   while (et < end) {

   104     char tagName[512];

   105     char* underscore = &(tagName[0]);

   107     PL_strcpy(tagName, *et);

   108     while (*underscore) {

   109       if (*underscore == '_') {

   110         *underscore = '-';

   111       }

   112       underscore++;

   113     }

   114     index = nsCSSKeyword(int32_t(index) + 1);

   116     id = nsCSSKeywords::LookupKeyword(nsCString(tagName));

   117     if (id <= eCSSKeyword_UNKNOWN) {

   118       printf("bug: can't find '%s'\n", tagName);

   119       success = false;

   120     }

   121     if (id != index) {

   122       printf("bug: name='%s' id=%d index=%d\n", tagName, id, index);

   123       success = false;

   124     }

   126     // fiddle with the case to make sure we can still find it

   127     if (('a' <= tagName[0]) && (tagName[0] <= 'z')) {

   128       tagName[0] = tagName[0] - 32;

   129     }

   130     id = nsCSSKeywords::LookupKeyword(nsCString(tagName));

   131     if (id <= eCSSKeyword_UNKNOWN) {

   132       printf("bug: can't find '%s'\n", tagName);

   133       success = false;

   134     }

   135     if (id != index) {

   136       printf("bug: name='%s' id=%d index=%d\n", tagName, id, index);

   137       success = false;

   138     }

   139     et++;

   140   }

   142   // Now make sure we don't find some garbage

   143   for (int i = 0; i < (int) (sizeof(kJunkNames) / sizeof(const char*)); i++) {

   144     const char* const tag = kJunkNames[i];

   145     id = nsCSSKeywords::LookupKeyword(nsAutoCString(tag));

   146     if (eCSSKeyword_UNKNOWN < id) {

   147       printf("bug: found '%s'\n", tag ? tag : "(null)");

   148       success = false;

   149     }

   150   }

   152   nsCSSKeywords::ReleaseTable();

   153   return success;

   154 }

   156 int

   157 main(void)

   158 {

   159   nsresult rv = NS_InitXPCOM2(nullptr, nullptr, nullptr);

   160   NS_ENSURE_SUCCESS(rv, 2);

   162   bool testOK = true;

   163   testOK &= TestProps();

   164   testOK &= TestKeywords();

   166   rv = NS_ShutdownXPCOM(nullptr);

   167   NS_ENSURE_SUCCESS(rv, 2);

   169   return testOK ? 0 : 1;

   170 }

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