From b8f4005f132c26b842387e1ae5f492594dc03d86 Mon Sep 17 00:00:00 2001
From: Erik Verbruggen <erik.verbruggen@qt.io>
Date: Thu, 11 Oct 2018 10:48:19 +0200
Subject: JS: Check array subscripts for validity when generating code

Task-number: QTBUG-71079
Change-Id: I999130f3994f513bb9d2ca8ddaa94688451937fc
Reviewed-by: Simon Hausmann <simon.hausmann@qt.io>
---
 tests/auto/qml/v4misc/tst_v4misc.cpp | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'tests/auto/qml/v4misc')

diff --git a/tests/auto/qml/v4misc/tst_v4misc.cpp b/tests/auto/qml/v4misc/tst_v4misc.cpp
index 22ff9c43fc..21a826850b 100644
--- a/tests/auto/qml/v4misc/tst_v4misc.cpp
+++ b/tests/auto/qml/v4misc/tst_v4misc.cpp
@@ -37,6 +37,9 @@ class tst_v4misc: public QObject
 private slots:
     void tdzOptimizations_data();
     void tdzOptimizations();
+
+    void parserMisc_data();
+    void parserMisc();
 };
 
 void tst_v4misc::tdzOptimizations_data()
@@ -102,6 +105,23 @@ void tst_v4misc::tdzOptimizations()
 
 }
 
+void tst_v4misc::parserMisc_data()
+{
+    QTest::addColumn<QString>("error");
+
+    QTest::newRow("8[++i][+++i]") << QString("ReferenceError: Prefix ++ operator applied to value that is not a reference.");
+}
+
+void tst_v4misc::parserMisc()
+{
+    QFETCH(QString, error);
+
+    QJSEngine engine;
+    QJSValue result = engine.evaluate(QString::fromUtf8(QTest::currentDataTag()));
+    QVERIFY(result.isError());
+    QCOMPARE(result.toString(), error);
+}
+
 QTEST_MAIN(tst_v4misc);
 
 #include "tst_v4misc.moc"
-- 
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