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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 "jsfriendapi.h"
#include "js/CompilationAndEvaluation.h"
#include "js/Exception.h"
#include "js/GlobalObject.h"
#include "js/SourceText.h"
#include "jsapi-tests/tests.h"
BEGIN_TEST(testMutedErrors) {
CHECK(testOuter("function f() {return 1}; f;"));
CHECK(testOuter(
"function outer() { return (function () {return 2}); }; outer();"));
CHECK(testOuter("eval('(function() {return 3})');"));
CHECK(
testOuter("(function (){ return eval('(function() {return 4})'); })()"));
CHECK(
testOuter("(function (){ return eval('(function() { return "
"eval(\"(function(){return 5})\") })()'); })()"));
CHECK(testOuter("new Function('return 6')"));
CHECK(testOuter("function f() { return new Function('return 7') }; f();"));
CHECK(testOuter("eval('new Function(\"return 8\")')"));
CHECK(
testOuter("(new Function('return eval(\"(function(){return 9})\")'))()"));
CHECK(testOuter("(function(){return function(){return 10}}).bind()()"));
CHECK(testOuter(
"var e = eval; (function() { return e('(function(){return 11})') })()"));
CHECK(testError("eval(-)"));
CHECK(testError("-"));
CHECK(testError("new Function('x', '-')"));
CHECK(testError("eval('new Function(\"x\", \"-\")')"));
/*
* NB: uncaught exceptions, when reported, have nothing on the stack so
* both the filename and mutedErrors are empty. E.g., this would fail:
*
* CHECK(testError("throw 3"));
*/
return true;
}
bool eval(const char* asciiChars, bool mutedErrors,
JS::MutableHandleValue rval) {
size_t len = strlen(asciiChars);
mozilla::UniquePtr<char16_t[]> chars(new char16_t[len + 1]);
for (size_t i = 0; i < len; ++i) {
chars[i] = asciiChars[i];
}
chars[len] = 0;
JS::RealmOptions globalOptions;
JS::RootedObject global(
cx, JS_NewGlobalObject(cx, getGlobalClass(), nullptr,
JS::FireOnNewGlobalHook, globalOptions));
CHECK(global);
JSAutoRealm ar(cx, global);
JS::CompileOptions options(cx);
options.setMutedErrors(mutedErrors).setFileAndLine("", 0);
JS::SourceText<char16_t> srcBuf;
CHECK(srcBuf.init(cx, chars.get(), len, JS::SourceOwnership::Borrowed));
return JS::Evaluate(cx, options, srcBuf, rval);
}
bool testOuter(const char* asciiChars) {
CHECK(testInner(asciiChars, false));
CHECK(testInner(asciiChars, true));
return true;
}
bool testInner(const char* asciiChars, bool mutedErrors) {
JS::RootedValue rval(cx);
CHECK(eval(asciiChars, mutedErrors, &rval));
JS::RootedFunction fun(cx, &rval.toObject().as<JSFunction>());
JSScript* script = JS_GetFunctionScript(cx, fun);
CHECK(JS_ScriptHasMutedErrors(script) == mutedErrors);
return true;
}
bool testError(const char* asciiChars) {
JS::RootedValue rval(cx);
CHECK(!eval(asciiChars, true, &rval));
JS::ExceptionStack exnStack(cx);
CHECK(JS::StealPendingExceptionStack(cx, &exnStack));
JS::ErrorReportBuilder report(cx);
CHECK(report.init(cx, exnStack, JS::ErrorReportBuilder::WithSideEffects));
CHECK(report.report()->isMuted == true);
return true;
}
END_TEST(testMutedErrors)