aoqi@0: /*
aoqi@0:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
attila@962:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
attila@962:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
attila@962:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
attila@962:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * Tests for conversion of JavaScript arrays to Java arrays and the other
attila@962:  * way round. Also generally useful as a JavaScript-to-Java type conversion
aoqi@0:  * test.
aoqi@0:  *
aoqi@0:  * @test
aoqi@0:  * @run
aoqi@0:  */
aoqi@0: 
aoqi@0: var x; // used for undefined
aoqi@0: var testCount = 0;
aoqi@0: 
aoqi@0: function testF(inputValue, type, testFn) {
aoqi@0:   var x = Java.to([inputValue], type + "[]")[0];
aoqi@0:   if(!testFn(x)) {
aoqi@0:     throw ("unexpected value: " + x)
aoqi@0:   }
aoqi@0:   ++testCount;
aoqi@0: }
aoqi@0: 
aoqi@0: function test(inputValue, type, expectedValue) {
aoqi@0:   testF(inputValue, type, function(x) { return x === expectedValue })
aoqi@0: }
aoqi@0: 
aoqi@0: function testNaN(inputValue, type) {
aoqi@0:   testF(inputValue, type, isNaN)
aoqi@0: }
aoqi@0: 
attila@962: // Those labeled "Correct?" are not clearly correct conversions. Those
attila@962: // labeled "TypeError maybe?" could actually throw a TypeError, or only
attila@962: // throw a TypeError when in strict mode.
aoqi@0: // The case of ("false", "boolean") => true is particularly amusing.
aoqi@0: 
aoqi@0: test(x, "int", 0) // Correct? TypeError maybe?
aoqi@0: test(null, "int", 0) // Correct? TypeError maybe?
aoqi@0: test(1234, "int", 1234)
aoqi@0: test("1234", "int", 1234)
aoqi@0: test("1234.49", "int", 1234)
aoqi@0: test("1234.51", "int", 1234) // truncates, not rounds
aoqi@0: test(true, "int", 1)
aoqi@0: test(false, "int", 0)
aoqi@0: test("foo", "int", 0) // Correct? TypeError maybe?
aoqi@0: 
aoqi@0: test(x, "boolean", false) // Correct? TypeError maybe?
aoqi@0: test(null, "boolean", false) // Correct? TypeError maybe?
aoqi@0: test(0, "boolean", false)
aoqi@0: test(1234, "boolean", true)
aoqi@0: test("foo", "boolean", true)
aoqi@0: test("", "boolean", false)
aoqi@0: test("false", "boolean", true) // Correct? false maybe?
aoqi@0: 
aoqi@0: test(x, "java.lang.String", "undefined") // Correct? TypeError maybe?
aoqi@0: test(null, "java.lang.String", null)
aoqi@0: test(1234, "java.lang.String", "1234")
aoqi@0: test(1234.5, "java.lang.String", "1234.5")
aoqi@0: test(true, "java.lang.String", "true")
aoqi@0: test(false, "java.lang.String", "false")
aoqi@0: 
aoqi@0: test(x, "java.lang.Integer", null) // Correct? TypeError maybe?
aoqi@0: test(null, "java.lang.Integer", null)
aoqi@0: test(1234, "java.lang.Integer", 1234)
aoqi@0: test("1234", "java.lang.Integer", 1234)
aoqi@0: test("1234.49", "java.lang.Integer", 1234)
aoqi@0: test("1234.51", "java.lang.Integer", 1234) // truncates, not rounds
aoqi@0: test(true, "java.lang.Integer", 1)
aoqi@0: test(false, "java.lang.Integer", 0)
aoqi@0: test("foo", "java.lang.Integer", 0) // Correct? TypeError maybe?
aoqi@0: 
aoqi@0: test(x, "java.lang.Boolean", null) // Correct? TypeError maybe?
aoqi@0: test(null, "java.lang.Boolean", null)
aoqi@0: test(0, "java.lang.Boolean", false)
aoqi@0: test(1234, "java.lang.Boolean", true)
aoqi@0: test("foo", "java.lang.Boolean", true)
aoqi@0: test("", "java.lang.Boolean", false)
aoqi@0: test("false", "java.lang.Boolean", true) // Correct? false maybe?
aoqi@0: 
aoqi@0: testNaN(x, "double")
aoqi@0: test(null, "double", 0)
aoqi@0: test(1234, "double", 1234)
aoqi@0: test("1234", "double", 1234)
aoqi@0: test("1234.5", "double", 1234.5)
aoqi@0: test(true, "double", 1)
aoqi@0: test(false, "double", 0)
aoqi@0: testNaN("foo", "double")
aoqi@0: 
aoqi@0: testNaN(x, "java.lang.Double")
aoqi@0: test(null, "java.lang.Double", null)
aoqi@0: test(1234, "java.lang.Double", 1234)
aoqi@0: test("1234", "java.lang.Double", 1234)
aoqi@0: test("1234.5", "java.lang.Double", 1234.5)
aoqi@0: test(true, "java.lang.Double", 1)
aoqi@0: test(false, "java.lang.Double", 0)
aoqi@0: testNaN("foo", "java.lang.Double")
aoqi@0: 
aoqi@0: test({ valueOf: function() { return 42; } }, "int", 42)
aoqi@0: test({ valueOf: function() { return "42"; } }, "int", 42)
aoqi@0: // If there's no valueOf, toString is used
aoqi@0: test({ toString: function() { return "42"; } }, "int", 42)
aoqi@0: // For numbers, valueOf takes precedence over toString
aoqi@0: test({ valueOf: function() { return "42"; },  toString: function() { return "43"; } }, "int", 42)
aoqi@0: 
aoqi@0: test({ toString: function() { return "foo"; } }, "java.lang.String", "foo")
aoqi@0: // Yep, even if we have valueOf, toString from prototype takes precedence
aoqi@0: test({ valueOf: function() { return 42; } }, "java.lang.String", "[object Object]")
aoqi@0: // Converting to string, toString takes precedence over valueOf
aoqi@0: test({ valueOf: function() { return "42"; },  toString: function() { return "43"; } }, "java.lang.String", "43")
aoqi@0: 
sundar@1533: function assertCanConvert(sourceType, targetType) {
sundar@1533:   Java.to([new (Java.type(sourceType))()], targetType + "[]")
sundar@1533:   ++testCount;
sundar@1533: }
sundar@1533: 
aoqi@0: function assertCantConvert(sourceType, targetType) {
aoqi@0:   try {
sundar@1533:     Java.to([new (Java.type(sourceType))()], targetType + "[]")
aoqi@0:     throw "no TypeError encountered"
aoqi@0:   } catch(e) {
sundar@1533:       if(!(e instanceof TypeError) ||
sundar@1533:           !e.message.startsWith("Java.to conversion to array type")) {
aoqi@0:         throw e;
aoqi@0:       }
aoqi@0:       ++testCount;
aoqi@0:   }
aoqi@0: }
aoqi@0: 
sundar@1533: // Arbitrary POJOs to JS Primitive type should work
sundar@1533: assertCanConvert("java.util.BitSet", "int")
sundar@1533: assertCanConvert("java.util.BitSet", "double")
sundar@1533: assertCanConvert("java.util.BitSet", "long")
sundar@1533: assertCanConvert("java.util.BitSet", "boolean")
sundar@1533: assertCanConvert("java.util.BitSet", "java.lang.String")
sundar@1533: 
aoqi@0: // Arbitrary POJOs can't be converted to Java values
aoqi@0: assertCantConvert("java.util.BitSet", "java.lang.Double")
aoqi@0: assertCantConvert("java.util.BitSet", "java.lang.Long")
aoqi@0: 
aoqi@0: /***************************************************************************
aoqi@0:  * Now testing the other way round - Java arrays & collections to JavaScript
aoqi@0:  **************************************************************************/
aoqi@0: 
aoqi@0: function assert(x) {
aoqi@0:   if(!x) {
aoqi@0:     throw "Assertion failed"
aoqi@0:   }
aoqi@0:   ++testCount;
aoqi@0: }
aoqi@0: 
aoqi@0: var intArray = new (Java.type("int[]"))(3)
aoqi@0: intArray[0] = 1234;
aoqi@0: intArray[1] = 42;
aoqi@0: intArray[2] = 5;
aoqi@0: var jsIntArray = Java.from(intArray)
aoqi@0: assert(jsIntArray instanceof Array);
aoqi@0: assert(jsIntArray[0] === 1234);
aoqi@0: assert(jsIntArray[1] === 42);
aoqi@0: assert(jsIntArray[2] === 5);
aoqi@0: 
aoqi@0: // The arrays are copies, they don't reflect each other
aoqi@0: intArray[2] = 6;
aoqi@0: assert(jsIntArray[2] === 5);
aoqi@0: jsIntArray[2] = 7;
aoqi@0: assert(intArray[2] === 6);
aoqi@0: 
aoqi@0: var byteArray = new (Java.type("byte[]"))(2)
aoqi@0: byteArray[0] = -128;
aoqi@0: byteArray[1] = 127;
aoqi@0: var jsByteArray = Java.from(byteArray)
aoqi@0: assert(jsByteArray instanceof Array);
aoqi@0: assert(jsByteArray[0] === -128);
aoqi@0: assert(jsByteArray[1] === 127);
aoqi@0: 
aoqi@0: var shortArray = new (Java.type("short[]"))(2)
aoqi@0: shortArray[0] = -32768;
aoqi@0: shortArray[1] = 32767;
aoqi@0: var jsShortArray = Java.from(shortArray)
aoqi@0: assert(jsShortArray instanceof Array);
aoqi@0: assert(jsShortArray[0] === -32768);
aoqi@0: assert(jsShortArray[1] === 32767);
aoqi@0: 
aoqi@0: var floatArray = new (Java.type("float[]"))(2)
aoqi@0: floatArray[0] = java.lang.Float.MIN_VALUE;
aoqi@0: floatArray[1] = java.lang.Float.MAX_VALUE;
aoqi@0: var jsFloatArray = Java.from(floatArray)
aoqi@0: assert(jsFloatArray instanceof Array);
aoqi@0: assert(jsFloatArray[0] == java.lang.Float.MIN_VALUE);
aoqi@0: assert(jsFloatArray[1] == java.lang.Float.MAX_VALUE);
aoqi@0: 
aoqi@0: var charArray = new (Java.type("char[]"))(3)
aoqi@0: charArray[0] = "a";
aoqi@0: charArray[1] = "b";
aoqi@0: charArray[2] = "1";
aoqi@0: var jsCharArray = Java.from(charArray)
aoqi@0: assert(jsCharArray instanceof Array);
aoqi@0: assert(jsCharArray[0] === 97);
aoqi@0: assert(jsCharArray[1] === 98);
aoqi@0: assert(jsCharArray[2] === 49);
aoqi@0: 
aoqi@0: var booleanArray = new (Java.type("boolean[]"))(2)
aoqi@0: booleanArray[0] = true;
aoqi@0: booleanArray[1] = false;
aoqi@0: var jsBooleanArray = Java.from(booleanArray)
aoqi@0: assert(jsBooleanArray instanceof Array);
aoqi@0: assert(jsBooleanArray[0] === true);
aoqi@0: assert(jsBooleanArray[1] === false);
aoqi@0: 
aoqi@0: print(testCount + " tests completed ok")