From 9e002a6e98f9dac8bd2a5787ca92fa857ec8323f Mon Sep 17 00:00:00 2001 From: Olivier Goffart Date: Mon, 10 Aug 2009 21:05:28 +0200 Subject: Test the same code as in the documentation for closures --- tests/auto/qscriptengine/tst_qscriptengine.cpp | 32 ++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/tests/auto/qscriptengine/tst_qscriptengine.cpp b/tests/auto/qscriptengine/tst_qscriptengine.cpp index 7fc50d4..ff3a21d 100644 --- a/tests/auto/qscriptengine/tst_qscriptengine.cpp +++ b/tests/auto/qscriptengine/tst_qscriptengine.cpp @@ -3934,6 +3934,38 @@ void tst_QScriptEngine::nativeFunctionScopes() QCOMPARE(ret.toInt32(), 123); } } + + //from http://doc.trolltech.com/latest/qtscript.html#nested-functions-and-the-scope-chain + { + QScriptEngine eng; + eng.evaluate("function counter() { var count = 0; return function() { return count++; } }\n" + "var c1 = counter(); var c2 = counter(); "); + QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("0")); + QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("1")); + QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("0")); + QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("1")); + QVERIFY(!eng.hasUncaughtException()); + } + { + QScriptEngine eng; + eng.globalObject().setProperty("counter", eng.newFunction(counter)); + eng.evaluate("var c1 = counter(); var c2 = counter(); "); + QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("0")); + QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("1")); + QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("0")); + QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("1")); + QVERIFY(!eng.hasUncaughtException()); + } + { + QScriptEngine eng; + eng.globalObject().setProperty("counter", eng.newFunction(counter_hybrid)); + eng.evaluate("var c1 = counter(); var c2 = counter(); "); + QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("0")); + QCOMPARE(eng.evaluate("c1()").toString(), QString::fromLatin1("1")); + QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("0")); + QCOMPARE(eng.evaluate("c2()").toString(), QString::fromLatin1("1")); + QVERIFY(!eng.hasUncaughtException()); + } } static QRegExp minimal(QRegExp r) { r.setMinimal(true); return r; } -- cgit v0.12