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 "qscriptengine.h"
  21 #include "qscriptvalue.h"
  22 #include <QtTest/qtest.h>
  23
  24 Q_DECLARE_METATYPE(QScriptValue*);
  25 Q_DECLARE_METATYPE(QScriptValue);
  26
  27 class tst_QScriptValue : public QObject {
  28     Q_OBJECT
  29
  30 public:
  31     tst_QScriptValue() {}
  32     virtual ~tst_QScriptValue() {}
  33
  34 private slots:
  35     void toString_data();
  36     void toString();
  37     void copyConstructor_data();
  38     void copyConstructor();
  39     void assignOperator_data();
  40     void assignOperator();
  41     void dataSharing();
  42     void constructors_data();
  43     void constructors();
  44     void call();
  45
  46     // copied from Qt's QtScript.
  47     void ctor();
  48 };
  49
  50 void tst_QScriptValue::ctor()
  51 {
  52     QScriptEngine eng;
  53     {
  54         QScriptValue v;
  55         QCOMPARE(v.isValid(), false);
  56         QCOMPARE(v.engine(), (QScriptEngine *)0);
  57     }
  58     {
  59         QScriptValue v(&eng, QScriptValue::UndefinedValue);
  60         QCOMPARE(v.isValid(), true);
  61         QCOMPARE(v.isUndefined(), true);
  62         QCOMPARE(v.isObject(), false);
  63         QCOMPARE(v.engine(), &eng);
  64     }
  65     {
  66         QScriptValue v(&eng, QScriptValue::NullValue);
  67         QCOMPARE(v.isValid(), true);
  68         QCOMPARE(v.isNull(), true);
  69         QCOMPARE(v.isObject(), false);
  70         QCOMPARE(v.engine(), &eng);
  71     }
  72     {
  73         QScriptValue v(&eng, false);
  74         QCOMPARE(v.isValid(), true);
  75         QCOMPARE(v.isBoolean(), true);
  76         QCOMPARE(v.isBool(), true);
  77         QCOMPARE(v.isObject(), false);
  78         QCOMPARE(v.toBoolean(), false);
  79         QCOMPARE(v.engine(), &eng);
  80     }
  81     {
  82         QScriptValue v(&eng, int(1));
  83         QCOMPARE(v.isValid(), true);
  84         QCOMPARE(v.isNumber(), true);
  85         QCOMPARE(v.isObject(), false);
  86         QCOMPARE(v.toNumber(), 1.0);
  87         QCOMPARE(v.engine(), &eng);
  88     }
  89     {
  90         QScriptValue v(int(0x43211234));
  91         QVERIFY(v.isNumber());
  92         QCOMPARE(v.toInt32(), 0x43211234);
  93     }
  94     {
  95         QScriptValue v(&eng, uint(1));
  96         QCOMPARE(v.isValid(), true);
  97         QCOMPARE(v.isNumber(), true);
  98         QCOMPARE(v.isObject(), false);
  99         QCOMPARE(v.toNumber(), 1.0);
 100         QCOMPARE(v.engine(), &eng);
 101     }
 102     {
 103         QScriptValue v(uint(0x43211234));
 104         QVERIFY(v.isNumber());
 105         QCOMPARE(v.toUInt32(), uint(0x43211234));
 106     }
 107     {
 108         QScriptValue v(&eng, 1.0);
 109         QCOMPARE(v.isValid(), true);
 110         QCOMPARE(v.isNumber(), true);
 111         QCOMPARE(v.isObject(), false);
 112         QCOMPARE(v.toNumber(), 1.0);
 113         QCOMPARE(v.engine(), &eng);
 114     }
 115     {
 116         QScriptValue v(12345678910.5);
 117         QVERIFY(v.isNumber());
 118         QCOMPARE(v.toNumber(), 12345678910.5);
 119     }
 120     {
 121         QScriptValue v(&eng, "ciao");
 122         QCOMPARE(v.isValid(), true);
 123         QCOMPARE(v.isString(), true);
 124         QCOMPARE(v.isObject(), false);
 125         QCOMPARE(v.toString(), QLatin1String("ciao"));
 126         QCOMPARE(v.engine(), &eng);
 127     }
 128     {
 129         QScriptValue v(&eng, QString("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     // copy constructor, operator=
 137     {
 138         QScriptValue v(&eng, 1.0);
 139         QScriptValue v2(v);
 140         QCOMPARE(v2.strictlyEquals(v), true);
 141         QCOMPARE(v2.engine(), &eng);
 142
 143         QScriptValue v3(v);
 144         QCOMPARE(v3.strictlyEquals(v), true);
 145         QCOMPARE(v3.strictlyEquals(v2), true);
 146         QCOMPARE(v3.engine(), &eng);
 147
 148         QScriptValue v4(&eng, 2.0);
 149         QCOMPARE(v4.strictlyEquals(v), false);
 150         v3 = v4;
 151         QCOMPARE(v3.strictlyEquals(v), false);
 152         QCOMPARE(v3.strictlyEquals(v4), true);
 153
 154         v2 = QScriptValue();
 155         QCOMPARE(v2.strictlyEquals(v), false);
 156         QCOMPARE(v.toNumber(), 1.0);
 157
 158         QScriptValue v5(v);
 159         QCOMPARE(v5.strictlyEquals(v), true);
 160         v = QScriptValue();
 161         QCOMPARE(v5.strictlyEquals(v), false);
 162         QCOMPARE(v5.toNumber(), 1.0);
 163     }
 164
 165     // constructors that take no engine argument
 166     {
 167         QScriptValue v(QScriptValue::UndefinedValue);
 168         QCOMPARE(v.isValid(), true);
 169         QCOMPARE(v.isUndefined(), true);
 170         QCOMPARE(v.isObject(), false);
 171         QCOMPARE(v.engine(), (QScriptEngine *)0);
 172     }
 173     {
 174         QScriptValue v(QScriptValue::NullValue);
 175         QCOMPARE(v.isValid(), true);
 176         QCOMPARE(v.isNull(), true);
 177         QCOMPARE(v.isObject(), false);
 178         QCOMPARE(v.engine(), (QScriptEngine *)0);
 179     }
 180     {
 181         QScriptValue v(false);
 182         QCOMPARE(v.isValid(), true);
 183         QCOMPARE(v.isBoolean(), true);
 184         QCOMPARE(v.isBool(), true);
 185         QCOMPARE(v.isObject(), false);
 186         QCOMPARE(v.toBoolean(), false);
 187         QCOMPARE(v.engine(), (QScriptEngine *)0);
 188     }
 189     {
 190         QScriptValue v(int(1));
 191         QCOMPARE(v.isValid(), true);
 192         QCOMPARE(v.isNumber(), true);
 193         QCOMPARE(v.isObject(), false);
 194         QCOMPARE(v.toNumber(), 1.0);
 195         QCOMPARE(v.engine(), (QScriptEngine *)0);
 196     }
 197     {
 198         QScriptValue v(uint(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(1.0);
 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("ciao");
 215         QCOMPARE(v.isValid(), true);
 216         QCOMPARE(v.isString(), true);
 217         QCOMPARE(v.isObject(), false);
 218         QCOMPARE(v.toString(), QLatin1String("ciao"));
 219         QCOMPARE(v.engine(), (QScriptEngine *)0);
 220     }
 221     {
 222         QScriptValue v(QString("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     // copy constructor, operator=
 230     {
 231         QScriptValue v(1.0);
 232         QScriptValue v2(v);
 233         QCOMPARE(v2.strictlyEquals(v), true);
 234         QCOMPARE(v2.engine(), (QScriptEngine *)0);
 235
 236         QScriptValue v3(v);
 237         QCOMPARE(v3.strictlyEquals(v), true);
 238         QCOMPARE(v3.strictlyEquals(v2), true);
 239         QCOMPARE(v3.engine(), (QScriptEngine *)0);
 240
 241         QScriptValue v4(2.0);
 242         QCOMPARE(v4.strictlyEquals(v), false);
 243         v3 = v4;
 244         QCOMPARE(v3.strictlyEquals(v), false);
 245         QCOMPARE(v3.strictlyEquals(v4), true);
 246
 247         v2 = QScriptValue();
 248         QCOMPARE(v2.strictlyEquals(v), false);
 249         QCOMPARE(v.toNumber(), 1.0);
 250
 251         QScriptValue v5(v);
 252         QCOMPARE(v5.strictlyEquals(v), true);
 253         v = QScriptValue();
 254         QCOMPARE(v5.strictlyEquals(v), false);
 255         QCOMPARE(v5.toNumber(), 1.0);
 256     }
 257
 258     // 0 engine
 259     QVERIFY(QScriptValue(0, QScriptValue::UndefinedValue).isUndefined());
 260     QVERIFY(QScriptValue(0, QScriptValue::NullValue).isNull());
 261     QVERIFY(QScriptValue(0, false).isBool());
 262     QVERIFY(QScriptValue(0, int(1)).isNumber());
 263     QVERIFY(QScriptValue(0, uint(1)).isNumber());
 264     QVERIFY(QScriptValue(0, 1.0).isNumber());
 265     QVERIFY(QScriptValue(0, "ciao").isString());
 266     QVERIFY(QScriptValue(0, QString("ciao")).isString());
 267 }
 268
 269 void tst_QScriptValue::toString_data()
 270 {
 271     QTest::addColumn<QString>("code");
 272     QTest::addColumn<QString>("result");
 273
 274     QTest::newRow("string") << QString::fromAscii("'hello'") << QString::fromAscii("hello");
 275     QTest::newRow("string utf") << QString::fromUtf8("'ąśćżźółńę'") << QString::fromUtf8("ąśćżźółńę");
 276     QTest::newRow("expression") << QString::fromAscii("1 + 4") << QString::fromAscii("5");
 277     QTest::newRow("null") << QString::fromAscii("null") << QString::fromAscii("null");
 278     QTest::newRow("boolean") << QString::fromAscii("false") << QString::fromAscii("false");
 279     QTest::newRow("undefined") << QString::fromAscii("undefined") << QString::fromAscii("undefined");
 280     QTest::newRow("object") << QString::fromAscii("new Object") << QString::fromAscii("[object Object]");
 281 }
 282
 283 /* Test conversion to string from different JSC types */
 284 void tst_QScriptValue::toString()
 285 {
 286     QFETCH(QString, code);
 287     QFETCH(QString, result);
 288
 289     QScriptEngine engine;
 290     QCOMPARE(engine.evaluate(code).toString(), result);
 291 }
 292
 293 void tst_QScriptValue::copyConstructor_data()
 294 {
 295     QScriptEngine engine;
 296     QScriptValue nnumber(123);
 297     QScriptValue nstring("ping");
 298     QScriptValue number(engine.evaluate("1"));
 299     QScriptValue string(engine.evaluate("'foo'"));
 300     QScriptValue object(engine.evaluate("new Object"));
 301     QScriptValue undefined(engine.evaluate("undefined"));
 302     QScriptValue null(engine.evaluate("null"));
 303
 304     QTest::addColumn<QScriptValue>("value");
 305     QTest::addColumn<QString>("result");
 306
 307     QTest::newRow("native number") << nnumber << QString::number(123);
 308     QTest::newRow("native string") << nstring << QString("ping");
 309     QTest::newRow("number") << number << QString::fromAscii("1");
 310     QTest::newRow("string") << string << QString::fromAscii("foo");
 311     QTest::newRow("object") << object << QString::fromAscii("[object Object]");
 312     QTest::newRow("undefined") << undefined << QString::fromAscii("undefined");
 313     QTest::newRow("null") << null << QString::fromAscii("null");
 314 }
 315
 316 void tst_QScriptValue::copyConstructor()
 317 {
 318     QFETCH(QScriptValue, value);
 319     QFETCH(QString, result);
 320
 321     QVERIFY(value.isValid());
 322     QScriptValue tmp(value);
 323     QVERIFY(tmp.isValid());
 324     QCOMPARE(tmp.toString(), result);
 325 }
 326
 327 void tst_QScriptValue::assignOperator_data()
 328 {
 329     copyConstructor_data();
 330 }
 331
 332 void tst_QScriptValue::assignOperator()
 333 {
 334     QFETCH(QScriptValue, value);
 335     QFETCH(QString, result);
 336
 337     QScriptValue tmp;
 338     tmp = value;
 339     QVERIFY(tmp.isValid());
 340     QCOMPARE(tmp.toString(), result);
 341 }
 342
 343 /* Test internal data sharing between a diffrenet QScriptValue. */
 344 void tst_QScriptValue::dataSharing()
 345 {
 346     QScriptEngine engine;
 347     QScriptValue v1;
 348     QScriptValue v2(v1);
 349
 350     v1 = engine.evaluate("1"); // v1 == 1 ; v2 invalid.
 351     QVERIFY(v1.isValid());
 352     QVERIFY(!v2.isValid());
 353
 354     v2 = v1; // v1 == 1; v2 == 1.
 355     QVERIFY(v1.isValid());
 356     QVERIFY(v2.isValid());
 357
 358     v1 = engine.evaluate("obj = new Date"); // v1 == [object Date] ; v2 == 1.
 359     QVERIFY(v1.isValid());
 360     QVERIFY(v2.isValid());
 361     QVERIFY(v2.toString() != v1.toString());
 362
 363     // TODO add object manipulation (v1 and v2 point to the same object).
 364 }
 365
 366 void tst_QScriptValue::constructors_data()
 367 {
 368     QScriptEngine engine;
 369
 370     QTest::addColumn<QScriptValue>("value");
 371     QTest::addColumn<QString>("string");
 372     QTest::addColumn<bool>("valid");
 373     QTest::addColumn<bool>("object");
 374
 375     QTest::newRow("invalid") << QScriptValue() << QString() << false << false;
 376     QTest::newRow("number") << QScriptValue(-21) << QString::number(-21) << true << false;
 377     QTest::newRow("bool") << QScriptValue(true) << QString::fromAscii("true") << true << false;
 378     QTest::newRow("double") << QScriptValue(21.12) << QString::number(21.12) << true << false;
 379     QTest::newRow("string") << QScriptValue("AlaMaKota") << QString::fromAscii("AlaMaKota") << true << false;
 380     QTest::newRow("object") << engine.evaluate("new Object") << QString::fromAscii("[object Object]") << true << true;
 381     QTest::newRow("null") << QScriptValue(QScriptValue::NullValue)<< QString::fromAscii("null") << true << false;
 382     QTest::newRow("undef") << QScriptValue(QScriptValue::UndefinedValue)<< QString::fromAscii("undefined") << true << false;
 383 }
 384
 385 void tst_QScriptValue::constructors()
 386 {
 387     QFETCH(QScriptValue, value);
 388     QFETCH(QString, string);
 389     QFETCH(bool, valid);
 390     QFETCH(bool, object);
 391
 392     QCOMPARE(value.isValid(), valid);
 393     QCOMPARE(value.toString(), string);
 394     QCOMPARE(value.isObject(), object);
 395 }
 396
 397 void tst_QScriptValue::call()
 398 {
 399     QScriptEngine engine;
 400     QScriptValue ping = engine.evaluate("( function() {return 'ping';} )");
 401     QScriptValue incr = engine.evaluate("( function(i) {return i + 1;} )");
 402     QScriptValue one(1);
 403     QScriptValue five(5);
 404     QScriptValue result;
 405
 406     QVERIFY(one.isValid());
 407     QVERIFY(five.isValid());
 408
 409     QVERIFY(ping.isValid());
 410     QVERIFY(ping.isFunction());
 411     result = ping.call();
 412     QVERIFY(result.isValid());
 413     QCOMPARE(result.toString(), QString::fromUtf8("ping"));
 414
 415     QVERIFY(incr.isValid());
 416     QVERIFY(incr.isFunction());
 417     result = incr.call(QScriptValue(), QScriptValueList() << one);
 418     QVERIFY(result.isValid());
 419     QCOMPARE(result.toString(), QString("2"));
 420
 421     QCOMPARE(incr.call(QScriptValue(), QScriptValueList() << five).toString(), QString::fromAscii("6"));
 422
 423     QVERIFY(incr.call().isValid()); // Exception.
 424 }
 425
 426 QTEST_MAIN(tst_QScriptValue)
 427 #include "tst_qscriptvalue.moc"