js/src/jsapi-tests/testScriptInfo.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  */
   4 /* This Source Code Form is subject to the terms of the Mozilla Public
   5  * License, v. 2.0. If a copy of the MPL was not distributed with this
   6  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   7
   8 #include "mozilla/Utf8.h"  // mozilla::Utf8Unit
   9
  10 #include "jsapi.h"
  11
  12 #include "js/CompilationAndEvaluation.h"  // JS::Compile
  13 #include "js/SourceText.h"                // JS::Source{Ownership,Text}
  14 #include "jsapi-tests/tests.h"
  15 #include "util/Text.h"
  16
  17 static const char code[] =
  18     "xx = 1;       \n\
  19                    \n\
  20 try {              \n\
  21          debugger; \n\
  22                    \n\
  23          xx += 1;  \n\
  24 }                  \n\
  25 catch (e)          \n\
  26 {                  \n\
  27          xx += 1;  \n\
  28 }\n\
  29 //@ sourceMappingURL=http://example.com/path/to/source-map.json";
  30
  31 BEGIN_TEST(testScriptInfo) {
  32   unsigned startLine = 1000;
  33
  34   JS::CompileOptions options(cx);
  35   options.setFileAndLine(__FILE__, startLine);
  36
  37   JS::SourceText<mozilla::Utf8Unit> srcBuf;
  38   CHECK(srcBuf.init(cx, code, js_strlen(code), JS::SourceOwnership::Borrowed));
  39
  40   JS::RootedScript script(cx, JS::Compile(cx, options, srcBuf));
  41   CHECK(script);
  42
  43   CHECK_EQUAL(JS_GetScriptBaseLineNumber(cx, script), startLine);
  44   CHECK(strcmp(JS_GetScriptFilename(script), __FILE__) == 0);
  45
  46   return true;
  47 }
  48 static bool CharsMatch(const char16_t* p, const char* q) {
  49   while (*q) {
  50     if (*p++ != *q++) {
  51       return false;
  52     }
  53   }
  54   return true;
  55 }
  56 END_TEST(testScriptInfo)