pjs/js/tests/lc3/JSNumber/ToInt-004.js

148 строки
4.4 KiB
JavaScript
Исходник Обычный вид История

/* The contents of this file are subject to the Netscape Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is Mozilla Communicator client code, released March
* 31, 1998.
*
* The Initial Developer of the Original Code is Netscape Communications
* Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*
*/
/* -*- Mode: java; tab-width: 8 -*-
* Copyright <EFBFBD> 1997, 1998 Netscape Communications Corporation,
* All Rights Reserved.
*/
/**
* JavaScript to Java type conversion.
*
* This test passes JavaScript number values to several Java methods
* that expect arguments of various types, and verifies that the value is
* converted to the correct value and type.
*
* This tests instance methods, and not static methods.
*
* Running these tests successfully requires you to have
* com.netscape.javascript.qa.liveconnect.DataTypeClass on your classpath.
*
* Specification: Method Overloading Proposal for Liveconnect 3.0
*
* @author: christine@netscape.com
*
*/
var SECTION = "number conversion to int";
var VERSION = "1_4";
var TITLE = "LiveConnect 3.0 JavaScript to Java Data Type Conversion " +
SECTION;
var BUGNUMBER="335589";
startTest();
var dt = new DT();
var a = new Array();
var i = 0;
// passing a JS number to a method that expects a int:
// round JS number to integral value using round-to-negative-infinity mode
// numbers with a magnitude too large to be represented in the target integral
// type result in a runtime error.
// Nan converts to 0.
// Special cases: 0, -0, Infinity, -Infinity, and NaN
a[i++] = new TestObject(
"dt.setInteger(java.lang.Integer.MIN_VALUE - 0.5)",
"dt.PUB_INT",
"dt.getInteger()",
"typeof dt.getInteger()",
java.lang.Integer.MIN_VALUE,
"number" );
a[i++] = new TestObject(
"dt.setInteger(java.lang.Integer.MIN_VALUE - 0.4)",
"dt.PUB_INT",
"dt.getInteger()",
"typeof dt.getInteger()",
java.lang.Integer.MIN_VALUE,
"number" );
a[i++] = new TestObject(
"dt.setInteger(java.lang.Integer.MIN_VALUE + 0.6)",
"dt.PUB_INT",
"dt.getInteger()",
"typeof dt.getInteger()",
java.lang.Integer.MIN_VALUE+1,
"number" );
a[i++] = new TestObject(
"dt.setInteger(java.lang.Integer.MIN_VALUE + 0.5)",
"dt.PUB_INT",
"dt.getInteger()",
"typeof dt.getInteger()",
java.lang.Integer.MIN_VALUE +1,
"number" );
a[i++] = new TestObject(
"dt.setInteger(java.lang.Integer.MIN_VALUE + 0.4)",
"dt.PUB_INT",
"dt.getInteger()",
"typeof dt.getInteger()",
java.lang.Integer.MIN_VALUE +1,
"number" );
a[i++] = new TestObject(
"dt.setInteger(java.lang.Integer.MIN_VALUE - 0.999)",
"dt.PUB_INT",
"dt.getInteger()",
"typeof dt.getInteger()",
java.lang.Integer.MIN_VALUE,
"number" );
for ( i = 0; i < a.length; i++ ) {
testcases[testcases.length] = new TestCase(
a[i].description +"; "+ a[i].javaFieldName,
a[i].jsValue,
a[i].javaFieldValue );
testcases[testcases.length] = new TestCase(
a[i].description +"; " + a[i].javaMethodName,
a[i].jsValue,
a[i].javaMethodValue );
testcases[testcases.length] = new TestCase(
a[i].javaTypeName,
a[i].jsType,
a[i].javaTypeValue );
}
test();
function TestObject( description, javaField, javaMethod, javaType,
jsValue, jsType )
{
eval (description );
this.description = description;
this.javaFieldName = javaField;
this.javaFieldValue = eval( javaField );
this.javaMethodName = javaMethod;
this.javaMethodValue = eval( javaMethod );
this.javaTypeName = javaType,
this.javaTypeValue = eval( javaType );
this.jsValue = jsValue;
this.jsType = jsType;
}