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