qt/tests/qscriptvalue/tst_qscriptvalue.cpp

   1 /*
   2     Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies)
   3
   4     This library is free software; you can redistribute it and/or
   5     modify it under the terms of the GNU Library General Public
   6     License as published by the Free Software Foundation; either
   7     version 2 of the License, or (at your option) any later version.
   8
   9     This library is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12     Library General Public License for more details.
  13
  14     You should have received a copy of the GNU Library General Public License
  15     along with this library; see the file COPYING.LIB.  If not, write to
  16     the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  17     Boston, MA 02110-1301, USA.
  18 */
  19
  20 #include "tst_qscriptvalue.h"
  21 #include <QtCore/qnumeric.h>
  22
  23 tst_QScriptValue::tst_QScriptValue()
  24     : engine(0)
  25 {
  26 }
  27
  28 tst_QScriptValue::~tst_QScriptValue()
  29 {
  30     delete engine;
  31 }
  32
  33 void tst_QScriptValue::dataHelper(InitDataFunction init, DefineDataFunction define)
  34 {
  35     QTest::addColumn<QString>("__expression__");
  36     (this->*init)();
  37     QHash<QString, QScriptValue>::const_iterator it;
  38     for (it = m_values.constBegin(); it != m_values.constEnd(); ++it) {
  39         m_currentExpression = it.key();
  40         (this->*define)(it.key().toLatin1());
  41     }
  42     m_currentExpression = QString();
  43 }
  44
  45 QTestData& tst_QScriptValue::newRow(const char* tag)
  46 {
  47     return QTest::newRow(tag) << m_currentExpression;
  48 }
  49
  50 void tst_QScriptValue::testHelper(TestFunction fun)
  51 {
  52     QFETCH(QString, __expression__);
  53     QScriptValue value = m_values.value(__expression__);
  54     (this->*fun)(__expression__.toLatin1(), value);
  55 }
  56
  57
  58 void tst_QScriptValue::ctor()
  59 {
  60     QScriptEngine eng;
  61     {
  62         QScriptValue v;
  63         QCOMPARE(v.isValid(), false);
  64         QCOMPARE(v.engine(), (QScriptEngine*)0);
  65     }
  66     {
  67         QScriptValue v(&eng, QScriptValue::UndefinedValue);
  68         QCOMPARE(v.isValid(), true);
  69         QCOMPARE(v.isUndefined(), true);
  70         QCOMPARE(v.isObject(), false);
  71         QCOMPARE(v.engine(), &eng);
  72     }
  73     {
  74         QScriptValue v(&eng, QScriptValue::NullValue);
  75         QCOMPARE(v.isValid(), true);
  76         QCOMPARE(v.isNull(), true);
  77         QCOMPARE(v.isObject(), false);
  78         QCOMPARE(v.engine(), &eng);
  79     }
  80     {
  81         QScriptValue v(&eng, false);
  82         QCOMPARE(v.isValid(), true);
  83         QCOMPARE(v.isBoolean(), true);
  84         QCOMPARE(v.isBool(), true);
  85         QCOMPARE(v.isObject(), false);
  86         QCOMPARE(v.toBoolean(), false);
  87         QCOMPARE(v.engine(), &eng);
  88     }
  89     {
  90         QScriptValue v(&eng, int(1));
  91         QCOMPARE(v.isValid(), true);
  92         QCOMPARE(v.isNumber(), true);
  93         QCOMPARE(v.isObject(), false);
  94         QCOMPARE(v.toNumber(), 1.0);
  95         QCOMPARE(v.engine(), &eng);
  96     }
  97     {
  98         QScriptValue v(int(0x43211234));
  99         QVERIFY(v.isNumber());
 100         QCOMPARE(v.toInt32(), 0x43211234);
 101     }
 102     {
 103         QScriptValue v(&eng, uint(1));
 104         QCOMPARE(v.isValid(), true);
 105         QCOMPARE(v.isNumber(), true);
 106         QCOMPARE(v.isObject(), false);
 107         QCOMPARE(v.toNumber(), 1.0);
 108         QCOMPARE(v.engine(), &eng);
 109     }
 110     {
 111         QScriptValue v(uint(0x43211234));
 112         QVERIFY(v.isNumber());
 113         QCOMPARE(v.toUInt32(), uint(0x43211234));
 114     }
 115     {
 116         QScriptValue v(&eng, 1.0);
 117         QCOMPARE(v.isValid(), true);
 118         QCOMPARE(v.isNumber(), true);
 119         QCOMPARE(v.isObject(), false);
 120         QCOMPARE(v.toNumber(), 1.0);
 121         QCOMPARE(v.engine(), &eng);
 122     }
 123     {
 124         QScriptValue v(12345678910.5);
 125         QVERIFY(v.isNumber());
 126         QCOMPARE(v.toNumber(), 12345678910.5);
 127     }
 128     {
 129         QScriptValue v(&eng, "ciao");
 130         QCOMPARE(v.isValid(), true);
 131         QCOMPARE(v.isString(), true);
 132         QCOMPARE(v.isObject(), false);
 133         QCOMPARE(v.toString(), QLatin1String("ciao"));
 134         QCOMPARE(v.engine(), &eng);
 135     }
 136     {
 137         QScriptValue v(&eng, QString("ciao"));
 138         QCOMPARE(v.isValid(), true);
 139         QCOMPARE(v.isString(), true);
 140         QCOMPARE(v.isObject(), false);
 141         QCOMPARE(v.toString(), QLatin1String("ciao"));
 142         QCOMPARE(v.engine(), &eng);
 143     }
 144     // copy constructor, operator=
 145     {
 146         QScriptValue v(&eng, 1.0);
 147         QScriptValue v2(v);
 148         QCOMPARE(v2.strictlyEquals(v), true);
 149         QCOMPARE(v2.engine(), &eng);
 150
 151         QScriptValue v3(v);
 152         QCOMPARE(v3.strictlyEquals(v), true);
 153         QCOMPARE(v3.strictlyEquals(v2), true);
 154         QCOMPARE(v3.engine(), &eng);
 155
 156         QScriptValue v4(&eng, 2.0);
 157         QCOMPARE(v4.strictlyEquals(v), false);
 158         v3 = v4;
 159         QCOMPARE(v3.strictlyEquals(v), false);
 160         QCOMPARE(v3.strictlyEquals(v4), true);
 161
 162         v2 = QScriptValue();
 163         QCOMPARE(v2.strictlyEquals(v), false);
 164         QCOMPARE(v.toNumber(), 1.0);
 165
 166         QScriptValue v5(v);
 167         QCOMPARE(v5.strictlyEquals(v), true);
 168         v = QScriptValue();
 169         QCOMPARE(v5.strictlyEquals(v), false);
 170         QCOMPARE(v5.toNumber(), 1.0);
 171     }
 172
 173     // constructors that take no engine argument
 174     {
 175         QScriptValue v(QScriptValue::UndefinedValue);
 176         QCOMPARE(v.isValid(), true);
 177         QCOMPARE(v.isUndefined(), true);
 178         QCOMPARE(v.isObject(), false);
 179         QCOMPARE(v.engine(), (QScriptEngine*)0);
 180     }
 181     {
 182         QScriptValue v(QScriptValue::NullValue);
 183         QCOMPARE(v.isValid(), true);
 184         QCOMPARE(v.isNull(), true);
 185         QCOMPARE(v.isObject(), false);
 186         QCOMPARE(v.engine(), (QScriptEngine*)0);
 187     }
 188     {
 189         QScriptValue v(false);
 190         QCOMPARE(v.isValid(), true);
 191         QCOMPARE(v.isBoolean(), true);
 192         QCOMPARE(v.isBool(), true);
 193         QCOMPARE(v.isObject(), false);
 194         QCOMPARE(v.toBoolean(), false);
 195         QCOMPARE(v.engine(), (QScriptEngine*)0);
 196     }
 197     {
 198         QScriptValue v(int(1));
 199         QCOMPARE(v.isValid(), true);
 200         QCOMPARE(v.isNumber(), true);
 201         QCOMPARE(v.isObject(), false);
 202         QCOMPARE(v.toNumber(), 1.0);
 203         QCOMPARE(v.engine(), (QScriptEngine*)0);
 204     }
 205     {
 206         QScriptValue v(uint(1));
 207         QCOMPARE(v.isValid(), true);
 208         QCOMPARE(v.isNumber(), true);
 209         QCOMPARE(v.isObject(), false);
 210         QCOMPARE(v.toNumber(), 1.0);
 211         QCOMPARE(v.engine(), (QScriptEngine*)0);
 212     }
 213     {
 214         QScriptValue v(1.0);
 215         QCOMPARE(v.isValid(), true);
 216         QCOMPARE(v.isNumber(), true);
 217         QCOMPARE(v.isObject(), false);
 218         QCOMPARE(v.toNumber(), 1.0);
 219         QCOMPARE(v.engine(), (QScriptEngine*)0);
 220     }
 221     {
 222         QScriptValue v("ciao");
 223         QCOMPARE(v.isValid(), true);
 224         QCOMPARE(v.isString(), true);
 225         QCOMPARE(v.isObject(), false);
 226         QCOMPARE(v.toString(), QLatin1String("ciao"));
 227         QCOMPARE(v.engine(), (QScriptEngine*)0);
 228     }
 229     {
 230         QScriptValue v(QString("ciao"));
 231         QCOMPARE(v.isValid(), true);
 232         QCOMPARE(v.isString(), true);
 233         QCOMPARE(v.isObject(), false);
 234         QCOMPARE(v.toString(), QLatin1String("ciao"));
 235         QCOMPARE(v.engine(), (QScriptEngine*)0);
 236     }
 237     // copy constructor, operator=
 238     {
 239         QScriptValue v(1.0);
 240         QScriptValue v2(v);
 241         QCOMPARE(v2.strictlyEquals(v), true);
 242         QCOMPARE(v2.engine(), (QScriptEngine*)0);
 243
 244         QScriptValue v3(v);
 245         QCOMPARE(v3.strictlyEquals(v), true);
 246         QCOMPARE(v3.strictlyEquals(v2), true);
 247         QCOMPARE(v3.engine(), (QScriptEngine*)0);
 248
 249         QScriptValue v4(2.0);
 250         QCOMPARE(v4.strictlyEquals(v), false);
 251         v3 = v4;
 252         QCOMPARE(v3.strictlyEquals(v), false);
 253         QCOMPARE(v3.strictlyEquals(v4), true);
 254
 255         v2 = QScriptValue();
 256         QCOMPARE(v2.strictlyEquals(v), false);
 257         QCOMPARE(v.toNumber(), 1.0);
 258
 259         QScriptValue v5(v);
 260         QCOMPARE(v5.strictlyEquals(v), true);
 261         v = QScriptValue();
 262         QCOMPARE(v5.strictlyEquals(v), false);
 263         QCOMPARE(v5.toNumber(), 1.0);
 264     }
 265
 266     // 0 engine
 267     QVERIFY(QScriptValue(0, QScriptValue::UndefinedValue).isUndefined());
 268     QVERIFY(QScriptValue(0, QScriptValue::NullValue).isNull());
 269     QVERIFY(QScriptValue(0, false).isBool());
 270     QVERIFY(QScriptValue(0, int(1)).isNumber());
 271     QVERIFY(QScriptValue(0, uint(1)).isNumber());
 272     QVERIFY(QScriptValue(0, 1.0).isNumber());
 273     QVERIFY(QScriptValue(0, "ciao").isString());
 274     QVERIFY(QScriptValue(0, QString("ciao")).isString());
 275 }
 276
 277 void tst_QScriptValue::toStringSimple_data()
 278 {
 279     QTest::addColumn<QString>("code");
 280     QTest::addColumn<QString>("result");
 281
 282     QTest::newRow("string") << QString::fromAscii("'hello'") << QString::fromAscii("hello");
 283     QTest::newRow("string utf") << QString::fromUtf8("'ąśćżźółńę'") << QString::fromUtf8("ąśćżźółńę");
 284     QTest::newRow("expression") << QString::fromAscii("1 + 4") << QString::fromAscii("5");
 285     QTest::newRow("null") << QString::fromAscii("null") << QString::fromAscii("null");
 286     QTest::newRow("boolean") << QString::fromAscii("false") << QString::fromAscii("false");
 287     QTest::newRow("undefined") << QString::fromAscii("undefined") << QString::fromAscii("undefined");
 288     QTest::newRow("object") << QString::fromAscii("new Object") << QString::fromAscii("[object Object]");
 289 }
 290
 291 /* Test conversion to string from different JSC types */
 292 void tst_QScriptValue::toStringSimple()
 293 {
 294     QFETCH(QString, code);
 295     QFETCH(QString, result);
 296
 297     QScriptEngine engine;
 298     QCOMPARE(engine.evaluate(code).toString(), result);
 299 }
 300
 301 void tst_QScriptValue::copyConstructor_data()
 302 {
 303     QScriptEngine engine;
 304     QScriptValue nnumber(123);
 305     QScriptValue nstring("ping");
 306     QScriptValue number(engine.evaluate("1"));
 307     QScriptValue string(engine.evaluate("'foo'"));
 308     QScriptValue object(engine.evaluate("new Object"));
 309     QScriptValue undefined(engine.evaluate("undefined"));
 310     QScriptValue null(engine.evaluate("null"));
 311
 312     QTest::addColumn<QScriptValue>("value");
 313     QTest::addColumn<QString>("result");
 314
 315     QTest::newRow("native number") << nnumber << QString::number(123);
 316     QTest::newRow("native string") << nstring << QString("ping");
 317     QTest::newRow("number") << number << QString::fromAscii("1");
 318     QTest::newRow("string") << string << QString::fromAscii("foo");
 319     QTest::newRow("object") << object << QString::fromAscii("[object Object]");
 320     QTest::newRow("undefined") << undefined << QString::fromAscii("undefined");
 321     QTest::newRow("null") << null << QString::fromAscii("null");
 322 }
 323
 324 void tst_QScriptValue::copyConstructor()
 325 {
 326     QFETCH(QScriptValue, value);
 327     QFETCH(QString, result);
 328
 329     QVERIFY(value.isValid());
 330     QScriptValue tmp(value);
 331     QVERIFY(tmp.isValid());
 332     QCOMPARE(tmp.toString(), result);
 333 }
 334
 335 void tst_QScriptValue::assignOperator_data()
 336 {
 337     copyConstructor_data();
 338 }
 339
 340 void tst_QScriptValue::assignOperator()
 341 {
 342     QFETCH(QScriptValue, value);
 343     QFETCH(QString, result);
 344
 345     QScriptValue tmp;
 346     tmp = value;
 347     QVERIFY(tmp.isValid());
 348     QCOMPARE(tmp.toString(), result);
 349 }
 350
 351 /* Test internal data sharing between a diffrenet QScriptValue. */
 352 void tst_QScriptValue::dataSharing()
 353 {
 354     QScriptEngine engine;
 355     QScriptValue v1;
 356     QScriptValue v2(v1);
 357
 358     v1 = engine.evaluate("1"); // v1 == 1 ; v2 invalid.
 359     QVERIFY(v1.isValid());
 360     QVERIFY(!v2.isValid());
 361
 362     v2 = v1; // v1 == 1; v2 == 1.
 363     QVERIFY(v1.isValid());
 364     QVERIFY(v2.isValid());
 365
 366     v1 = engine.evaluate("obj = new Date"); // v1 == [object Date] ; v2 == 1.
 367     QVERIFY(v1.isValid());
 368     QVERIFY(v2.isValid());
 369     QVERIFY(v2.toString() != v1.toString());
 370
 371     // TODO add object manipulation (v1 and v2 point to the same object).
 372 }
 373
 374 void tst_QScriptValue::constructors_data()
 375 {
 376     QScriptEngine engine;
 377
 378     QTest::addColumn<QScriptValue>("value");
 379     QTest::addColumn<QString>("string");
 380     QTest::addColumn<bool>("valid");
 381     QTest::addColumn<bool>("object");
 382
 383     QTest::newRow("invalid") << QScriptValue() << QString() << false << false;
 384     QTest::newRow("number") << QScriptValue(-21) << QString::number(-21) << true << false;
 385     QTest::newRow("bool") << QScriptValue(true) << QString::fromAscii("true") << true << false;
 386     QTest::newRow("double") << QScriptValue(21.12) << QString::number(21.12) << true << false;
 387     QTest::newRow("string") << QScriptValue("AlaMaKota") << QString::fromAscii("AlaMaKota") << true << false;
 388     QTest::newRow("object") << engine.evaluate("new Object") << QString::fromAscii("[object Object]") << true << true;
 389     QTest::newRow("null") << QScriptValue(QScriptValue::NullValue)<< QString::fromAscii("null") << true << false;
 390     QTest::newRow("undef") << QScriptValue(QScriptValue::UndefinedValue)<< QString::fromAscii("undefined") << true << false;
 391 }
 392
 393 void tst_QScriptValue::constructors()
 394 {
 395     QFETCH(QScriptValue, value);
 396     QFETCH(QString, string);
 397     QFETCH(bool, valid);
 398     QFETCH(bool, object);
 399
 400     QCOMPARE(value.isValid(), valid);
 401     QCOMPARE(value.toString(), string);
 402     QCOMPARE(value.isObject(), object);
 403 }
 404
 405 void tst_QScriptValue::call()
 406 {
 407     QScriptEngine engine;
 408     QScriptValue ping = engine.evaluate("( function() {return 'ping';} )");
 409     QScriptValue incr = engine.evaluate("( function(i) {return i + 1;} )");
 410     QScriptValue one(1);
 411     QScriptValue five(5);
 412     QScriptValue result;
 413
 414     QVERIFY(one.isValid());
 415     QVERIFY(five.isValid());
 416
 417     QVERIFY(ping.isValid());
 418     QVERIFY(ping.isFunction());
 419     result = ping.call();
 420     QVERIFY(result.isValid());
 421     QCOMPARE(result.toString(), QString::fromUtf8("ping"));
 422
 423     QVERIFY(incr.isValid());
 424     QVERIFY(incr.isFunction());
 425     result = incr.call(QScriptValue(), QScriptValueList() << one);
 426     QVERIFY(result.isValid());
 427     QCOMPARE(result.toString(), QString("2"));
 428
 429     QCOMPARE(incr.call(QScriptValue(), QScriptValueList() << five).toString(), QString::fromAscii("6"));
 430
 431     QVERIFY(incr.call().isValid()); // Exception.
 432 }
 433
 434
 435 QTEST_MAIN(tst_QScriptValue)