js/src/jsapi-tests/testFrontendCompileStencil.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 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/RefPtr.h"
   8 #include "mozilla/Utf8.h"
   9
  10 #include <string>
  11
  12 #include "frontend/FrontendContext.h"  // js::FrontendContext
  13 #include "js/CompileOptions.h"
  14 #include "js/experimental/CompileScript.h"
  15 #include "js/SourceText.h"
  16 #include "js/Stack.h"
  17 #include "jsapi-tests/tests.h"
  18 #include "util/NativeStack.h"  // js::GetNativeStackBase
  19
  20 using namespace JS;
  21
  22 BEGIN_FRONTEND_TEST(testFrontendContextCompileGlobalScriptToStencil) {
  23   JS::FrontendContext* fc = JS::NewFrontendContext();
  24   CHECK(fc);
  25
  26   static constexpr JS::NativeStackSize stackSize = 128 * sizeof(size_t) * 1024;
  27
  28   JS::SetNativeStackQuota(fc, stackSize);
  29
  30 #ifndef __wasi__
  31   CHECK(fc->stackLimit() ==
  32         JS::GetNativeStackLimit(js::GetNativeStackBase(), stackSize - 1));
  33 #endif
  34
  35   JS::PrefableCompileOptions prefableOptions;
  36   JS::CompileOptions options(prefableOptions);
  37
  38   {
  39     const char source[] = "var a = 10;";
  40
  41     JS::SourceText<mozilla::Utf8Unit> srcBuf;
  42     CHECK(
  43         srcBuf.init(fc, source, strlen(source), JS::SourceOwnership::Borrowed));
  44     JS::CompilationStorage compileStorage;
  45     RefPtr<JS::Stencil> stencil =
  46         JS::CompileGlobalScriptToStencil(fc, options, srcBuf, compileStorage);
  47     CHECK(stencil);
  48     CHECK(compileStorage.hasInput());
  49   }
  50
  51   {
  52     const char16_t source[] = u"var a = 10;";
  53
  54     JS::SourceText<char16_t> srcBuf;
  55     CHECK(srcBuf.init(fc, source, std::char_traits<char16_t>::length(source),
  56                       JS::SourceOwnership::Borrowed));
  57     JS::CompilationStorage compileStorage;
  58     RefPtr<JS::Stencil> stencil =
  59         JS::CompileGlobalScriptToStencil(fc, options, srcBuf, compileStorage);
  60     CHECK(stencil);
  61     CHECK(compileStorage.hasInput());
  62   }
  63
  64   JS::DestroyFrontendContext(fc);
  65
  66   return true;
  67 }
  68
  69 END_TEST(testFrontendContextCompileGlobalScriptToStencil)