Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 99 insertions, 0 deletions

diff --git a/js/src/jsapi-tests/testMutedErrors.cpp b/js/src/jsapi-tests/testMutedErrors.cpp
new file mode 100644
index 0000000000..12410e0f99
--- /dev/null
+++ b/js/src/jsapi-tests/testMutedErrors.cpp
@@ -0,0 +1,99 @@
+/* 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)