Source code

Revision control

Other Tools

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*
* Test function with enclosing non-syntactic scope.
*/
/* 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/Utf8.h" // mozilla::Utf8Unit
#include "js/CallAndConstruct.h"
#include "js/CompilationAndEvaluation.h" // JS::CompileFunction
#include "js/PropertyAndElement.h" // JS_DefineProperty
#include "js/SourceText.h" // JS::Source{Ownership,Text}
#include "jsapi-tests/tests.h"
#include "util/Text.h"
#include "vm/JSFunction.h" // JSFunction
#include "vm/ScopeKind.h" // ScopeKind
using namespace js;
BEGIN_TEST(testFunctionNonSyntactic) {
JS::RootedObjectVector scopeChain(cx);
{
JS::RootedObject scopeObj(cx, JS_NewPlainObject(cx));
CHECK(scopeObj);
JS::RootedValue val(cx);
val.setNumber(1);
CHECK(JS_DefineProperty(cx, scopeObj, "foo", val, JSPROP_ENUMERATE));
CHECK(scopeChain.append(scopeObj));
}
{
JS::RootedObject scopeObj(cx, JS_NewPlainObject(cx));
CHECK(scopeObj);
JS::RootedValue val(cx);
val.setNumber(20);
CHECK(JS_DefineProperty(cx, scopeObj, "bar", val, JSPROP_ENUMERATE));
CHECK(scopeChain.append(scopeObj));
}
{
static const char src[] = "return foo + bar;";
JS::SourceText<mozilla::Utf8Unit> srcBuf;
CHECK(srcBuf.init(cx, src, js_strlen(src), JS::SourceOwnership::Borrowed));
JS::CompileOptions options(cx);
options.setFileAndLine(__FILE__, __LINE__);
RootedFunction fun(cx, JS::CompileFunction(cx, scopeChain, options, "test",
0, nullptr, srcBuf));
CHECK(fun);
CHECK(fun->enclosingScope()->kind() == ScopeKind::NonSyntactic);
JS::RootedValue funVal(cx, JS::ObjectValue(*fun));
JS::RootedValue rval(cx);
CHECK(JS::Call(cx, JS::UndefinedHandleValue, funVal,
JS::HandleValueArray::empty(), &rval));
CHECK(rval.isNumber());
CHECK(rval.toNumber() == 21);
}
// With extra body bar.
{
const char* args[] = {
"a = 300",
};
static const char src[] = "var x = 4000; return a + x + foo + bar;";
JS::SourceText<mozilla::Utf8Unit> srcBuf;
CHECK(srcBuf.init(cx, src, js_strlen(src), JS::SourceOwnership::Borrowed));
JS::CompileOptions options(cx);
options.setFileAndLine(__FILE__, __LINE__);
RootedFunction fun(cx, JS::CompileFunction(cx, scopeChain, options, "test",
1, args, srcBuf));
CHECK(fun);
CHECK(fun->enclosingScope()->kind() == ScopeKind::NonSyntactic);
JS::RootedValue funVal(cx, JS::ObjectValue(*fun));
JS::RootedValue rval(cx);
CHECK(JS::Call(cx, JS::UndefinedHandleValue, funVal,
JS::HandleValueArray::empty(), &rval));
CHECK(rval.isNumber());
CHECK(rval.toNumber() == 4321);
}
return true;
}
END_TEST(testFunctionNonSyntactic)