js/src/jsapi-tests/testEnclosingFunction.cpp

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/js/src/jsapi-tests/testEnclosingFunction.cpp	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,65 @@
     1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
     1.5 + * vim: set ts=8 sts=4 et sw=4 tw=99:
     1.6 + *
     1.7 + * Test script cloning.
     1.8 + */
     1.9 +/* This Source Code Form is subject to the terms of the Mozilla Public
    1.10 + * License, v. 2.0. If a copy of the MPL was not distributed with this
    1.11 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
    1.12 +
    1.13 +#include "jsfriendapi.h"
    1.14 +
    1.15 +#include "js/OldDebugAPI.h"
    1.16 +#include "jsapi-tests/tests.h"
    1.17 +
    1.18 +using namespace js;
    1.19 +
    1.20 +static JSScript *foundScript = nullptr;
    1.21 +
    1.22 +static bool
    1.23 +CheckEnclosing(JSContext *cx, unsigned argc, Value *vp)
    1.24 +{
    1.25 +    CallArgs args = CallArgsFromVp(argc, vp);
    1.26 +
    1.27 +    foundScript = js::GetOutermostEnclosingFunctionOfScriptedCaller(cx);
    1.28 +
    1.29 +    args.rval().set(UndefinedValue());
    1.30 +    return true;
    1.31 +}
    1.32 +
    1.33 +BEGIN_TEST(test_enclosingFunction)
    1.34 +{
    1.35 +    CHECK(JS_DefineFunction(cx, global, "checkEnclosing", CheckEnclosing, 0, 0));
    1.36 +
    1.37 +    EXEC("checkEnclosing()");
    1.38 +    CHECK(foundScript == nullptr);
    1.39 +
    1.40 +    RootedFunction fun(cx);
    1.41 +
    1.42 +    JS::CompileOptions options(cx);
    1.43 +    options.setFileAndLine(__FILE__, __LINE__);
    1.44 +
    1.45 +    const char s1chars[] = "checkEnclosing()";
    1.46 +    fun = JS_CompileFunction(cx, global, "s1", 0, nullptr, s1chars,
    1.47 +                             strlen(s1chars), options);
    1.48 +    CHECK(fun);
    1.49 +    EXEC("s1()");
    1.50 +    CHECK(foundScript == JS_GetFunctionScript(cx, fun));
    1.51 +
    1.52 +    const char s2chars[] = "return function() { checkEnclosing() }";
    1.53 +    fun = JS_CompileFunction(cx, global, "s2", 0, nullptr, s2chars,
    1.54 +                             strlen(s2chars), options);
    1.55 +    CHECK(fun);
    1.56 +    EXEC("s2()()");
    1.57 +    CHECK(foundScript == JS_GetFunctionScript(cx, fun));
    1.58 +
    1.59 +    const char s3chars[] = "return function() { let (x) { function g() { checkEnclosing() } return g() } }";
    1.60 +    fun = JS_CompileFunction(cx, global, "s3", 0, nullptr, s3chars,
    1.61 +                             strlen(s3chars), options);
    1.62 +    CHECK(fun);
    1.63 +    EXEC("s3()()");
    1.64 +    CHECK(foundScript == JS_GetFunctionScript(cx, fun));
    1.65 +
    1.66 +    return true;
    1.67 +}
    1.68 +END_TEST(test_enclosingFunction)

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