testCompileNonSyntactic.cpp

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/* This Source Code Form is subject to the terms of the Mozilla Public

 * License, v. 2.0. If a copy of the MPL was not distributed with this

 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#include "mozilla/RefPtr.h"  // RefPtr

#include "mozilla/Utf8.h"    // mozilla::Utf8Unit

#include <string_view>

#include "js/CompilationAndEvaluation.h"  // JS::Compile

#include "js/CompileOptions.h"  // JS::CompileOptions, JS::InstantiateOptions

#include "js/experimental/JSStencil.h"  // JS::Stencil, JS::InstantiateGlobalStencil

#include "js/SourceText.h"  // JS::Source{Ownership,Text}

#include "jsapi-tests/tests.h"

#include "vm/HelperThreads.h"

#include "vm/Monitor.h"

#include "vm/MutexIDs.h"

using namespace JS;

using js::AutoLockMonitor;

BEGIN_TEST(testCompileNonsyntactic) {

  CHECK(testCompile(true));

  CHECK(testCompile(false));

  return true;

bool testCompile(bool nonSyntactic) {

  static constexpr std::string_view src = "42\n";

  static constexpr std::u16string_view src_16 = u"42\n";

  static_assert(src.length() == src_16.length(),

                "Source buffers must be same length");

  JS::CompileOptions options(cx);

  options.setNonSyntacticScope(nonSyntactic);

  JS::SourceText<char16_t> buf16;

  CHECK(buf16.init(cx, src_16.data(), src_16.length(),

                   JS::SourceOwnership::Borrowed));

  JS::SourceText<mozilla::Utf8Unit> buf8;

  CHECK(buf8.init(cx, src.data(), src.length(), JS::SourceOwnership::Borrowed));

  JS::RootedScript script(cx);

  script = Compile(cx, options, buf16);

  CHECK(script);

  CHECK_EQUAL(script->hasNonSyntacticScope(), nonSyntactic);

  script = Compile(cx, options, buf8);

  CHECK(script);

  CHECK_EQUAL(script->hasNonSyntacticScope(), nonSyntactic);

    JS::SourceText<char16_t> srcBuf;

    CHECK(srcBuf.init(cx, src_16.data(), src_16.length(),

                      JS::SourceOwnership::Borrowed));

    script = Compile(cx, options, srcBuf);

    CHECK(script);

    CHECK_EQUAL(script->hasNonSyntacticScope(), nonSyntactic);

  return true;

END_TEST(testCompileNonsyntactic);