js/src/jsapi-tests/testJSEvaluateScript.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
   5 #include "js/CompilationAndEvaluation.h"
   6 #include "js/PropertyAndElement.h"  // JS_AlreadyHasOwnProperty, JS_HasProperty
   7 #include "js/SourceText.h"
   8 #include "jsapi-tests/tests.h"
   9 #include "util/Text.h"
  10
  11 BEGIN_TEST(testJSEvaluateScript) {
  12   JS::RootedObject obj(cx, JS_NewPlainObject(cx));
  13   CHECK(obj);
  14
  15   static const char16_t src[] = u"var x = 5;";
  16
  17   JS::RootedValue retval(cx);
  18   JS::CompileOptions opts(cx);
  19   JS::RootedObjectVector scopeChain(cx);
  20   CHECK(scopeChain.append(obj));
  21
  22   JS::SourceText<char16_t> srcBuf;
  23   CHECK(srcBuf.init(cx, src, js_strlen(src), JS::SourceOwnership::Borrowed));
  24
  25   CHECK(JS::Evaluate(cx, scopeChain, opts.setFileAndLine(__FILE__, __LINE__),
  26                      srcBuf, &retval));
  27
  28   bool hasProp = true;
  29   CHECK(JS_AlreadyHasOwnProperty(cx, obj, "x", &hasProp));
  30   CHECK(hasProp);
  31
  32   hasProp = false;
  33   CHECK(JS_HasProperty(cx, global, "x", &hasProp));
  34   CHECK(!hasProp);
  35
  36   return true;
  37 }
  38 END_TEST(testJSEvaluateScript)