1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
|
package org.apache.velocity.test;
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.VelocityEngine;
import org.apache.velocity.context.Context;
import org.apache.velocity.runtime.RuntimeServices;
import org.apache.velocity.test.provider.NumberMethods;
import java.io.StringWriter;
import java.math.BigDecimal;
import java.math.BigInteger;
/**
* Used to check that method calls with number parameters are executed correctly.
*
* @author <a href="mailto:wglass@forio.com">Peter Romianowski</a>
* @author <a href="mailto:wglass@forio.com">Will Glass-Husain</a>
*/
public class NumberMethodCallsTestCase extends TestCase
{
private VelocityEngine ve = null;
private final static boolean PRINT_RESULTS = false;
/**
* Default constructor.
*/
public NumberMethodCallsTestCase(String name)
{
super(name);
}
@Override
public void setUp()
throws Exception
{
ve = new VelocityEngine();
ve.init();
}
public void init( RuntimeServices rs )
{
// do nothing with it
}
public static Test suite ()
{
return new TestSuite(NumberMethodCallsTestCase.class);
}
/**
* Runs the test.
*/
public void testNumberMethodCalls ()
throws Exception
{
VelocityContext vc = new VelocityContext();
// context object with overloaded methods with number arguments
vc.put("Test",new NumberMethods());
// numbers for context
vc.put("AByte",new Byte("10"));
vc.put("AShort",new Short("10"));
vc.put("AInteger", 10);
vc.put("ALong", 10L);
vc.put("ADouble", 10.0);
vc.put("AFloat", 10f);
vc.put("ABigDecimal",new BigDecimal(10));
vc.put("ABigInteger",new BigInteger("10"));
// check context objects
System.out.println("Testing: method calls with arguments as context objects");
checkResults(vc,"$Test.numMethod($AByte)","byte (10)");
checkResults(vc,"$Test.numMethod($AShort)","short (10)");
checkResults(vc,"$Test.numMethod($AInteger)","int (10)");
checkResults(vc,"$Test.numMethod($ADouble)","double (10.0)");
checkResults(vc,"$Test.numMethod($AFloat)","double (10.0)");
checkResults(vc,"$Test.numMethod($ALong)","long (10)");
checkResults(vc,"$Test.numMethod($ABigDecimal)","BigDecimal (10)");
checkResults(vc,"$Test.numMethod($ABigInteger)","BigInteger (10)");
// check literals
// -- will cast floating point literal to smallest possible of Double, BigDecimal
// -- will cast integer literal to smallest possible of Integer, Long, BigInteger
System.out.println("Testing: method calls with arguments as literals");
checkResults(vc,"$Test.numMethod(10.0)","double (10.0)");
checkResults(vc,"$Test.numMethod(10)","int (10)");
checkResults(vc,"$Test.numMethod(10000000000)","long (10000000000)");
checkResults(vc,"$Test.numMethod(10000000000000000000000)","BigInteger (10000000000000000000000)");
// check calculated results
// -- note calculated value is cast to smallest possible type
// -- method invoked is smallest relevant method
// -- it's an unusual case here of both byte and int methods, but this works as expected
System.out.println("Testing: method calls with arguments as calculated values");
checkResults(vc,"#set($val = 10.0 + 1.5)$Test.numMethod($val)","double (11.5)");
checkResults(vc,"#set($val = 100 + 1)$Test.numMethod($val)","int (101)");
checkResults(vc,"#set($val = 100 * 1000)$Test.numMethod($val)","int (100000)");
checkResults(vc,"#set($val = 100 + 1.5)$Test.numMethod($val)","double (101.5)");
checkResults(vc,"#set($val = $ALong + $AInteger)$Test.numMethod($val)","long (20)");
checkResults(vc,"#set($val = $ABigInteger + $AInteger)$Test.numMethod($val)","BigInteger (20)");
}
private void checkResults(Context vc, String template, String compare) throws Exception
{
StringWriter writer = new StringWriter();
ve.evaluate( vc, writer, "test", template);
assertEquals("Incorrect results for template '" + template + "'.",compare,writer.toString());
if (PRINT_RESULTS)
System.out.println ("Method call successful: " + template);
}
}
|
