testJSEvaluateScript.cpp

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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

 * vim: set ts=8 sts=2 et sw=2 tw=80:

*/

#include "js/CompilationAndEvaluation.h"

#include "js/EnvironmentChain.h"    // JS::EnvironmentChain

#include "js/PropertyAndElement.h"  // JS_AlreadyHasOwnProperty, JS_HasProperty

#include "js/SourceText.h"

#include "jsapi-tests/tests.h"

#include "util/Text.h"

BEGIN_TEST(testJSEvaluateScript) {

  JS::RootedObject obj(cx, JS_NewPlainObject(cx));

  CHECK(obj);

  static const char16_t src[] = u"var x = 5;";

  JS::RootedValue retval(cx);

  JS::CompileOptions opts(cx);

  JS::EnvironmentChain envChain(cx, JS::SupportUnscopables::No);

  CHECK(envChain.append(obj));

  JS::SourceText<char16_t> srcBuf;

  CHECK(srcBuf.init(cx, src, js_strlen(src), JS::SourceOwnership::Borrowed));

  CHECK(JS::Evaluate(cx, envChain, opts.setFileAndLine(__FILE__, __LINE__),

                     srcBuf, &retval));

  bool hasProp = true;

  CHECK(JS_AlreadyHasOwnProperty(cx, obj, "x", &hasProp));

  CHECK(hasProp);

  hasProp = false;

  CHECK(JS_HasProperty(cx, global, "x", &hasProp));

  CHECK(!hasProp);

  return true;

END_TEST(testJSEvaluateScript)