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Error Detection Based on Check Digit Schemes

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27 Nov 2007CPOL12 min read 90.8K   2.9K   50  
A Survey of Popular Check Digit Schemes
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<html>
<!-- JsUnit -->
<!-- ***** BEGIN LICENSE BLOCK *****
   - Version: MPL 1.1/GPL 2.0/LGPL 2.1
   -
   - The contents of this file are subject to the Mozilla 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/MPL/
   -
   - 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 Edward Hieatt code.
   -
   - The Initial Developer of the Original Code is
   - Edward Hieatt, edward@jsunit.net.
   - Portions created by the Initial Developer are Copyright (C) 2001
   - the Initial Developer. All Rights Reserved.
   -
   - Contributor(s):
   - Edward Hieatt, edward@jsunit.net (original author)
   - Bob Clary, bc@bclary.comn
   -
   - Alternatively, the contents of this file may be used under the terms of
   - either the GNU General Public License Version 2 or later (the "GPL"), or
   - the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
   - in which case the provisions of the GPL or the LGPL are applicable instead
   - of those above. If you wish to allow use of your version of this file only
   - under the terms of either the GPL or the LGPL, and not to allow others to
   - use your version of this file under the terms of the MPL, indicate your
   - decision by deleting the provisions above and replace them with the notice
   - and other provisions required by the LGPL or the GPL. If you do not delete
   - the provisions above, a recipient may use your version of this file under
   - the terms of any one of the MPL, the GPL or the LGPL.
   -
   - ***** END LICENSE BLOCK ***** -->

  <head>
	<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">  
    <title>JsUnit Assertion Tests</title>
    <link rel="stylesheet" type="text/css" href="../css/jsUnitStyle.css">
<script language="JavaScript" type="text/javascript" src="../app/jsUnitCore.js"></script>
<script language="JavaScript" type="text/javascript">

// JsUnit Assertion Tests
function testAssert() {
  assert("true should be true", true);
  assert(true);
}

function testAssertTrue() {
  assertTrue("true should be true", true);
  assertTrue(true);
}

function testAssertFalse() {
  assertFalse("false should be false", false);
  assertFalse(false);
}

function testAssertEquals() {
  assertEquals("1 should equal 1", 1, 1);
  assertEquals(1, 1);
}

function testAssertNotEquals() {
  assertNotEquals("1 should not equal 2", 1, 2);
  assertNotEquals(1, 2);
}

function testAssertNull() {
  assertNull("null should be null", null);
  assertNull(null);
}

function testAssertNotNull() {
  assertNotNull("1 should not be null", 1);
  assertNotNull(1);
}

function testAssertUndefined() {
    var myVar;
  assertUndefined("A declared but unassigned variable should have the undefined value", myVar);
  assertUndefined(myVar);
}

function testAssertNotUndefined() {
  assertNotUndefined("1 should not be undefined", 1);
  assertNotUndefined(1);
}

function testAssertNaN() {
  assertNaN("a string should not be a number", "string");
  assertNaN("string");
}

function testAssertNotNaN() {
  assertNotNaN("1 should not be not a number", 1);
    assertNotNaN(1);
}

function testFail() {
  var excep=null;
    try {
        fail("Failure message");
    } catch (e) {
    excep=e;
    }
  assertJsUnitException("fail(string) should throw a JsUnitException", excep);
}

function testTooFewArguments() {
  var excep=null;
  try {
    assert();
  } catch (e1) {
    excep=e1;
  }
  assertNonJsUnitException("Calling an assertion function with too few arguments should throw an exception", excep);
}

function testTooManyArguments() {
  var excep=null;
  try {
    assertEquals("A comment", true, true, true);
  } catch (e2) {
    excep=e2;
  }
  assertNonJsUnitException("Calling an assertion function with too many arguments should throw an exception", excep);
}

function testInvalidCommentArgumentType() {
  var excep=null;
  try {
    assertNull(1, true);
  } catch (e3) {
    excep=e3;
  }
  assertNonJsUnitException("Calling an assertion function with a non-string comment should throw an exception", excep);
}

function testInvalidArgumentType() {
  var excep=null;
  try {
        assert("string");
    } catch (e) {
    excep=e;
  }
  assertNonJsUnitException("Calling an assertion function with an invalid argument should throw an exception", excep);
}

function assertJsUnitException(comment, allegedJsUnitException) {
  assertNotNull(comment, allegedJsUnitException);
  assert(comment, allegedJsUnitException.isJsUnitException);
  assertNotUndefined(comment, allegedJsUnitException.comment);
}

function assertNonJsUnitException(comment, allegedNonJsUnitException) {
  assertNotNull(comment, allegedNonJsUnitException);
  assertUndefined(comment, allegedNonJsUnitException.isJsUnitException);
  assertNotUndefined(comment, allegedNonJsUnitException.description);
}
</script>
  </head>

  <body>
    <h1>JsUnit Assertion Tests</h1>

    <p>This page contains tests for the JsUnit Assertion
    functions. To see them, take a look at the source.</p>
  </body>
</html>

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