jlaskey@3: /*
jlaskey@7:  * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
jlaskey@3:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
jlaskey@3:  * 
jlaskey@3:  * This code is free software; you can redistribute it and/or modify it
jlaskey@3:  * under the terms of the GNU General Public License version 2 only, as
jlaskey@3:  * published by the Free Software Foundation.
jlaskey@3:  * 
jlaskey@3:  * This code is distributed in the hope that it will be useful, but WITHOUT
jlaskey@3:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
jlaskey@3:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
jlaskey@3:  * version 2 for more details (a copy is included in the LICENSE file that
jlaskey@3:  * accompanied this code).
jlaskey@3:  * 
jlaskey@3:  * You should have received a copy of the GNU General Public License version
jlaskey@3:  * 2 along with this work; if not, write to the Free Software Foundation,
jlaskey@3:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
jlaskey@3:  * 
jlaskey@3:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
jlaskey@3:  * or visit www.oracle.com if you need additional information or have any
jlaskey@3:  * questions.
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: /**
jlaskey@3:  * Tests for conversion of JavaScript arrays to Java arrays and the other
jlaskey@3:  * way round. Also generally useful as a JavaScript-to-Java type conversion 
jlaskey@3:  * test.
jlaskey@3:  *
jlaskey@3:  * @test
jlaskey@3:  * @run
jlaskey@3:  */
jlaskey@3: 
jlaskey@3: var x; // used for undefined
jlaskey@3: var testCount = 0;
jlaskey@3: 
jlaskey@3: function testF(inputValue, type, testFn) {
attila@279:   var x = Java.to([inputValue], type + "[]")[0];
jlaskey@3:   if(!testFn(x)) {
jlaskey@3:     throw ("unexpected value: " + x)
jlaskey@3:   }
jlaskey@3:   ++testCount;
jlaskey@3: }
jlaskey@3: 
jlaskey@3: function test(inputValue, type, expectedValue) {
jlaskey@3:   testF(inputValue, type, function(x) { return x === expectedValue })
jlaskey@3: }
jlaskey@3: 
jlaskey@3: function testNaN(inputValue, type) {
jlaskey@3:   testF(inputValue, type, isNaN)
jlaskey@3: }
jlaskey@3: 
jlaskey@3: // Those labeled "Correct?" are not clearly correct conversions. Those 
jlaskey@3: // labeled "TypeError maybe?" could actually throw a TypeError, or only 
jlaskey@3: // throw a TypeError when in strict mode. 
jlaskey@3: // The case of ("false", "boolean") => true is particularly amusing.
jlaskey@3: 
jlaskey@3: test(x, "int", 0) // Correct? TypeError maybe?
jlaskey@3: test(null, "int", 0) // Correct? TypeError maybe?
jlaskey@3: test(1234, "int", 1234)
jlaskey@3: test("1234", "int", 1234)
jlaskey@3: test("1234.49", "int", 1234)
jlaskey@3: test("1234.51", "int", 1234) // truncates, not rounds
jlaskey@3: test(true, "int", 1)
jlaskey@3: test(false, "int", 0)
jlaskey@3: test("foo", "int", 0) // Correct? TypeError maybe?
jlaskey@3: 
jlaskey@3: test(x, "boolean", false) // Correct? TypeError maybe?
jlaskey@3: test(null, "boolean", false) // Correct? TypeError maybe?
jlaskey@3: test(0, "boolean", false)
jlaskey@3: test(1234, "boolean", true)
jlaskey@3: test("foo", "boolean", true)
jlaskey@3: test("", "boolean", false)
jlaskey@3: test("false", "boolean", true) // Correct? false maybe?
jlaskey@3: 
jlaskey@3: test(x, "java.lang.String", "undefined") // Correct? TypeError maybe?
jlaskey@3: test(null, "java.lang.String", null)
jlaskey@3: test(1234, "java.lang.String", "1234")
jlaskey@3: test(1234.5, "java.lang.String", "1234.5")
jlaskey@3: test(true, "java.lang.String", "true")
jlaskey@3: test(false, "java.lang.String", "false")
jlaskey@3: 
jlaskey@3: test(x, "java.lang.Integer", null) // Correct? TypeError maybe?
jlaskey@3: test(null, "java.lang.Integer", null)
jlaskey@3: test(1234, "java.lang.Integer", 1234)
jlaskey@3: test("1234", "java.lang.Integer", 1234)
jlaskey@3: test("1234.49", "java.lang.Integer", 1234)
jlaskey@3: test("1234.51", "java.lang.Integer", 1234) // truncates, not rounds
jlaskey@3: test(true, "java.lang.Integer", 1)
jlaskey@3: test(false, "java.lang.Integer", 0)
jlaskey@3: test("foo", "java.lang.Integer", 0) // Correct? TypeError maybe?
jlaskey@3: 
jlaskey@3: test(x, "java.lang.Boolean", null) // Correct? TypeError maybe?
jlaskey@3: test(null, "java.lang.Boolean", null)
jlaskey@3: test(0, "java.lang.Boolean", false)
jlaskey@3: test(1234, "java.lang.Boolean", true)
jlaskey@3: test("foo", "java.lang.Boolean", true)
jlaskey@3: test("", "java.lang.Boolean", false)
jlaskey@3: test("false", "java.lang.Boolean", true) // Correct? false maybe?
jlaskey@3: 
jlaskey@3: testNaN(x, "double")
jlaskey@3: test(null, "double", 0)
jlaskey@3: test(1234, "double", 1234)
jlaskey@3: test("1234", "double", 1234)
jlaskey@3: test("1234.5", "double", 1234.5)
jlaskey@3: test(true, "double", 1)
jlaskey@3: test(false, "double", 0)
jlaskey@3: testNaN("foo", "double")
jlaskey@3: 
jlaskey@3: testNaN(x, "java.lang.Double")
jlaskey@3: test(null, "java.lang.Double", null)
jlaskey@3: test(1234, "java.lang.Double", 1234)
jlaskey@3: test("1234", "java.lang.Double", 1234)
jlaskey@3: test("1234.5", "java.lang.Double", 1234.5)
jlaskey@3: test(true, "java.lang.Double", 1)
jlaskey@3: test(false, "java.lang.Double", 0)
jlaskey@3: testNaN("foo", "java.lang.Double")
jlaskey@3: 
jlaskey@3: test({ valueOf: function() { return 42; } }, "int", 42)
jlaskey@3: test({ valueOf: function() { return "42"; } }, "int", 42)
jlaskey@3: // If there's no valueOf, toString is used
jlaskey@3: test({ toString: function() { return "42"; } }, "int", 42)
jlaskey@3: // For numbers, valueOf takes precedence over toString
jlaskey@3: test({ valueOf: function() { return "42"; },  toString: function() { return "43"; } }, "int", 42)
jlaskey@3: 
jlaskey@3: test({ toString: function() { return "foo"; } }, "java.lang.String", "foo")
jlaskey@3: // Yep, even if we have valueOf, toString from prototype takes precedence
jlaskey@3: test({ valueOf: function() { return 42; } }, "java.lang.String", "[object Object]")
jlaskey@3: // Converting to string, toString takes precedence over valueOf
jlaskey@3: test({ valueOf: function() { return "42"; },  toString: function() { return "43"; } }, "java.lang.String", "43")
jlaskey@3: 
jlaskey@3: function assertCantConvert(sourceType, targetType) {
jlaskey@3:   try {
attila@279:     Java.to([new Java.type(sourceType)()], targetType + "[]")
jlaskey@3:     throw "no TypeError encountered"
jlaskey@3:   } catch(e) {
jlaskey@3:       if(!(e instanceof TypeError)) {
jlaskey@3:         throw e;
jlaskey@3:       }
jlaskey@3:       ++testCount;
jlaskey@3:   }
jlaskey@3: }
jlaskey@3: 
jlaskey@3: // Arbitrary POJOs can't be converted to Java values
jlaskey@3: assertCantConvert("java.util.BitSet", "int")
jlaskey@3: assertCantConvert("java.util.BitSet", "double")
jlaskey@3: assertCantConvert("java.util.BitSet", "long")
jlaskey@3: assertCantConvert("java.util.BitSet", "boolean")
jlaskey@3: assertCantConvert("java.util.BitSet", "java.lang.String")
jlaskey@3: assertCantConvert("java.util.BitSet", "java.lang.Double")
jlaskey@3: assertCantConvert("java.util.BitSet", "java.lang.Long")
jlaskey@3: 
jlaskey@3: /***************************************************************************
jlaskey@3:  * Now testing the other way round - Java arrays & collections to JavaScript
jlaskey@3:  **************************************************************************/
jlaskey@3: 
jlaskey@3: function assert(x) {
jlaskey@3:   if(!x) {
jlaskey@3:     throw "Assertion failed"
jlaskey@3:   }
jlaskey@3:   ++testCount;
jlaskey@3: }
jlaskey@3: 
jlaskey@3: var intArray = new (Java.type("int[]"))(3)
jlaskey@3: intArray[0] = 1234;
jlaskey@3: intArray[1] = 42;
jlaskey@3: intArray[2] = 5;
attila@279: var jsIntArray = Java.from(intArray)
jlaskey@3: assert(jsIntArray instanceof Array);
jlaskey@3: assert(jsIntArray[0] === 1234);
jlaskey@3: assert(jsIntArray[1] === 42);
jlaskey@3: assert(jsIntArray[2] === 5);
jlaskey@3: 
jlaskey@3: // The arrays are copies, they don't reflect each other
jlaskey@3: intArray[2] = 6;
jlaskey@3: assert(jsIntArray[2] === 5);
jlaskey@3: jsIntArray[2] = 7;
jlaskey@3: assert(intArray[2] === 6);
jlaskey@3: 
jlaskey@3: var byteArray = new (Java.type("byte[]"))(2)
jlaskey@3: byteArray[0] = -128;
jlaskey@3: byteArray[1] = 127;
attila@279: var jsByteArray = Java.from(byteArray)
jlaskey@3: assert(jsByteArray instanceof Array);
jlaskey@3: assert(jsByteArray[0] === -128);
jlaskey@3: assert(jsByteArray[1] === 127);
jlaskey@3: 
jlaskey@3: var shortArray = new (Java.type("short[]"))(2)
jlaskey@3: shortArray[0] = -32768;
jlaskey@3: shortArray[1] = 32767;
attila@279: var jsShortArray = Java.from(shortArray)
jlaskey@3: assert(jsShortArray instanceof Array);
jlaskey@3: assert(jsShortArray[0] === -32768);
jlaskey@3: assert(jsShortArray[1] === 32767);
jlaskey@3: 
jlaskey@3: var floatArray = new (Java.type("float[]"))(2)
jlaskey@3: floatArray[0] = java.lang.Float.MIN_VALUE;
jlaskey@3: floatArray[1] = java.lang.Float.MAX_VALUE;
attila@279: var jsFloatArray = Java.from(floatArray)
jlaskey@3: assert(jsFloatArray instanceof Array);
jlaskey@3: assert(jsFloatArray[0] == java.lang.Float.MIN_VALUE);
jlaskey@3: assert(jsFloatArray[1] == java.lang.Float.MAX_VALUE);
jlaskey@3: 
jlaskey@3: var charArray = new (Java.type("char[]"))(3)
jlaskey@3: charArray[0] = "a";
jlaskey@3: charArray[1] = "b";
jlaskey@3: charArray[2] = "1";
attila@279: var jsCharArray = Java.from(charArray)
jlaskey@3: assert(jsCharArray instanceof Array);
jlaskey@3: assert(jsCharArray[0] === 97);
jlaskey@3: assert(jsCharArray[1] === 98);
jlaskey@3: assert(jsCharArray[2] === 49);
jlaskey@3: 
jlaskey@3: var booleanArray = new (Java.type("boolean[]"))(2)
jlaskey@3: booleanArray[0] = true;
jlaskey@3: booleanArray[1] = false;
attila@279: var jsBooleanArray = Java.from(booleanArray)
jlaskey@3: assert(jsBooleanArray instanceof Array);
jlaskey@3: assert(jsBooleanArray[0] === true);
jlaskey@3: assert(jsBooleanArray[1] === false);
jlaskey@3: 
jlaskey@3: print(testCount + " tests completed ok")