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| author | Olivier Goffart <ogoffart@trolltech.com> | 2009-08-10 19:05:28 (GMT) |
|---|---|---|
| committer | Olivier Goffart <ogoffart@trolltech.com> | 2009-08-10 19:09:21 (GMT) |
| commit | 9e002a6e98f9dac8bd2a5787ca92fa857ec8323f (patch) | |
| tree | 8e73ef86a04f44c7778cc4128d07be45599d1357 /tests/auto/qscriptengine | |
| parent | 3cd1422bbc106ebe4bf14b4af14c90971fe416eb (diff) | |
| download | Qt-9e002a6e98f9dac8bd2a5787ca92fa857ec8323f.zip Qt-9e002a6e98f9dac8bd2a5787ca92fa857ec8323f.tar.gz Qt-9e002a6e98f9dac8bd2a5787ca92fa857ec8323f.tar.bz2 | |
Test the same code as in the documentation for closures
Diffstat (limited to 'tests/auto/qscriptengine')
| -rw-r--r-- | tests/auto/qscriptengine/tst_qscriptengine.cpp | 32 |
1 files changed, 32 insertions, 0 deletions
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; } |