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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:
* 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 "jsfriendapi.h"
#include "js/BuildId.h" // JS::BuildIdCharVector, JS::SetProcessBuildIdOp
#include "js/CompilationAndEvaluation.h" // JS::Compile
#include "js/CompileOptions.h" // JS::CompileOptions
#include "js/SourceText.h" // JS::Source{Ownership,Text}
#include "js/Transcoding.h"
#include "jsapi-tests/tests.h"
#include "util/Text.h"
#include "vm/JSScript.h"
#include "vm/JSScript-inl.h"
static bool GetBuildId(JS::BuildIdCharVector* buildId) {
const char buildid[] = "testXDR";
return buildId->append(buildid, sizeof(buildid));
}
static JSScript* FreezeThaw(JSContext* cx, JS::CompileOptions& options,
JS::HandleScript script) {
JS::SetProcessBuildIdOp(::GetBuildId);
// freeze
JS::TranscodeBuffer buffer;
JS::TranscodeResult rs = JS::EncodeScript(cx, buffer, script);
if (rs != JS::TranscodeResult_Ok) {
return nullptr;
}
// thaw
JS::RootedScript script2(cx);
rs = JS::DecodeScript(cx, options, buffer, &script2);
if (rs != JS::TranscodeResult_Ok) {
return nullptr;
}
return script2;
}
enum TestCase {
TEST_FIRST,
TEST_SCRIPT = TEST_FIRST,
TEST_FUNCTION,
TEST_SERIALIZED_FUNCTION,
TEST_END
};
BEGIN_TEST(testXDR_bug506491) {
static const char s[] =
"function makeClosure(s, name, value) {\n"
" eval(s);\n"
" Math.sin(value);\n"
" let n = name, v = value;\n"
" return function () { return String(v); };\n"
"}\n"
"var f = makeClosure('0;', 'status', 'ok');\n";
// compile
JS::CompileOptions options(cx);
options.setFileAndLine(__FILE__, __LINE__);
JS::SourceText<mozilla::Utf8Unit> srcBuf;
CHECK(srcBuf.init(cx, s, js_strlen(s), JS::SourceOwnership::Borrowed));
JS::RootedScript script(cx, JS::Compile(cx, options, srcBuf));
CHECK(script);
script = FreezeThaw(cx, options, script);
CHECK(script);
// execute
JS::RootedValue v2(cx);
CHECK(JS_ExecuteScript(cx, script, &v2));
// try to break the Block object that is the parent of f
JS_GC(cx);
// confirm
EVAL("f() === 'ok';\n", &v2);
JS::RootedValue trueval(cx, JS::TrueValue());
CHECK_SAME(v2, trueval);
return true;
}
END_TEST(testXDR_bug506491)
BEGIN_TEST(testXDR_bug516827) {
// compile an empty script
JS::CompileOptions options(cx);
options.setFileAndLine(__FILE__, __LINE__);
JS::SourceText<mozilla::Utf8Unit> srcBuf;
CHECK(srcBuf.init(cx, "", 0, JS::SourceOwnership::Borrowed));
JS::RootedScript script(cx, JS::Compile(cx, options, srcBuf));
CHECK(script);
script = FreezeThaw(cx, options, script);
CHECK(script);
// execute with null result meaning no result wanted
CHECK(JS_ExecuteScript(cx, script));
return true;
}
END_TEST(testXDR_bug516827)
BEGIN_TEST(testXDR_source) {
const char* samples[] = {
// This can't possibly fail to compress well, can it?
"function f(x) { return x + x + x + x + x + x + x + x + x + x + x + x + "
"x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + "
"x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + "
"x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + "
"x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + "
"x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + "
"x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + "
"x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + x + "
"x + x + x + x + x + x + x + x + x + x + x + x }",
"short", nullptr};
for (const char** s = samples; *s; s++) {
JS::CompileOptions options(cx);
options.setFileAndLine(__FILE__, __LINE__);
JS::SourceText<mozilla::Utf8Unit> srcBuf;
CHECK(srcBuf.init(cx, *s, strlen(*s), JS::SourceOwnership::Borrowed));
JS::RootedScript script(cx, JS::Compile(cx, options, srcBuf));
CHECK(script);
script = FreezeThaw(cx, options, script);
CHECK(script);
JSString* out = JS_DecompileScript(cx, script);
CHECK(out);
bool equal;
CHECK(JS_StringEqualsAscii(cx, out, *s, &equal));
CHECK(equal);
}
return true;
}
END_TEST(testXDR_source)
BEGIN_TEST(testXDR_sourceMap) {
const char* sourceMaps[] = {"http://example.com/source-map.json",
"file:///var/source-map.json", nullptr};
JS::RootedScript script(cx);
for (const char** sm = sourceMaps; *sm; sm++) {
JS::CompileOptions options(cx);
options.setFileAndLine(__FILE__, __LINE__);
JS::SourceText<mozilla::Utf8Unit> srcBuf;
CHECK(srcBuf.init(cx, "", 0, JS::SourceOwnership::Borrowed));
script = JS::Compile(cx, options, srcBuf);
CHECK(script);
size_t len = strlen(*sm);
JS::UniqueTwoByteChars expected_wrapper(js::InflateString(cx, *sm, len));
char16_t* expected = expected_wrapper.get();
CHECK(expected);
// The script source takes responsibility of free'ing |expected|.
CHECK(script->scriptSource()->setSourceMapURL(cx, expected));
script = FreezeThaw(cx, options, script);
CHECK(script);
CHECK(script->scriptSource());
CHECK(script->scriptSource()->hasSourceMapURL());
const char16_t* actual = script->scriptSource()->sourceMapURL();
CHECK(actual);
while (*expected) {
CHECK(*actual);
CHECK(*expected == *actual);
expected++;
actual++;
}
CHECK(!*actual);
}
return true;
}
END_TEST(testXDR_sourceMap)
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