mshtml/tests: Test for RegExp.prototype.toString with non-regexp.

According to the ES6 spec, it should work in generic way for objects exposing "source" and "flags", but native IE seems to not follow it here and throws. Signed-off-by: Gabriel Ivăncescu <gabrielopcode@gmail.com> Signed-off-by: Jacek Caban <jacek@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

mshtml/tests: Test for RegExp.prototype.toString with non-regexp.
b4175eeb · Gabriel Ivăncescu · Alexandre Julliard · ed552165 · b4175eeb
Commit b4175eeb authored Mar 25, 2022 by Gabriel Ivăncescu Committed by Alexandre Julliard Mar 25, 2022
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documentmode.js dlls/mshtml/tests/documentmode.js +7 -0

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--- a/dlls/mshtml/tests/documentmode.js
+++ b/dlls/mshtml/tests/documentmode.js
@@ -1300,6 +1300,13 @@ sync_test("builtins_diffs", function() {
            ok(e.number === (v < 9 ? 0xa01b6 : 0xa138f) - 0x80000000, "Object." + props[i] + " with non-object: exception = " + e.number);
        }
    }
+
+    try {
+        RegExp.prototype.toString.call({source: "foo", flags: "g"});
+        ok(false, "RegExp.toString with non-regexp: expected exception");
+    }catch(e) {
+        ok(e.number === 0xa1398 - 0x80000000, "RegExp.toString with non-regexp: exception = " + e.number);
+    }
 });

 sync_test("__proto__", function() {