[PATCH v2 6/6] jscript: Throw proper error when invoking non-method builtin.
Gabriel Ivăncescu
gabrielopcode at gmail.com
Mon Apr 11 10:58:52 CDT 2022
Instead of crashing.
Signed-off-by: Gabriel Ivăncescu <gabrielopcode at gmail.com>
---
dlls/jscript/dispex.c | 3 +++
dlls/jscript/tests/api.js | 2 ++
dlls/mshtml/tests/documentmode.js | 13 +++++++++++++
3 files changed, 18 insertions(+)
diff --git a/dlls/jscript/dispex.c b/dlls/jscript/dispex.c
index 6ee02a0..319617b 100644
--- a/dlls/jscript/dispex.c
+++ b/dlls/jscript/dispex.c
@@ -560,6 +560,9 @@ static HRESULT invoke_prop_func(jsdisp_t *This, IDispatch *jsthis, dispex_prop_t
case PROP_BUILTIN: {
jsval_t vthis;
+ if(!prop->u.p->invoke)
+ return JS_E_FUNCTION_EXPECTED;
+
if(flags == DISPATCH_CONSTRUCT && (prop->flags & PROPF_METHOD)) {
WARN("%s is not a constructor\n", debugstr_w(prop->name));
return E_INVALIDARG;
diff --git a/dlls/jscript/tests/api.js b/dlls/jscript/tests/api.js
index 9eaeddd..fe336d4 100644
--- a/dlls/jscript/tests/api.js
+++ b/dlls/jscript/tests/api.js
@@ -2611,6 +2611,8 @@ testException(function() {delete false;}, "E_INVALID_DELETE");
testException(function() {undefined.toString();}, "E_OBJECT_EXPECTED");
testException(function() {null.toString();}, "E_OBJECT_EXPECTED");
testException(function() {RegExp.prototype.toString.call(new Object());}, "E_REGEXP_EXPECTED");
+testException(function() {/a/.lastIndex();}, "E_NOT_FUNC");
+testException(function() {"a".length();}, "E_NOT_FUNC");
testException(function() { return arguments.callee(); }, "E_STACK_OVERFLOW");
diff --git a/dlls/mshtml/tests/documentmode.js b/dlls/mshtml/tests/documentmode.js
index 3f772cf..55de9b7 100644
--- a/dlls/mshtml/tests/documentmode.js
+++ b/dlls/mshtml/tests/documentmode.js
@@ -1307,6 +1307,19 @@ sync_test("builtins_diffs", function() {
}catch(e) {
ok(e.number === 0xa1398 - 0x80000000, "RegExp.toString with non-regexp: exception = " + e.number);
}
+
+ try {
+ /a/.lastIndex();
+ ok(false, "/a/.lastIndex(): expected exception");
+ }catch(e) {
+ ok(e.number === 0xa138a - 0x80000000, "/a/.lastIndex(): exception = " + e.number);
+ }
+ try {
+ "a".length();
+ ok(false, "\"a\".length(): expected exception");
+ }catch(e) {
+ ok(e.number === 0xa138a - 0x80000000, "\"a\".length(): exception = " + e.number);
+ }
});
sync_test("__proto__", function() {
--
2.34.1
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