-
Notifications
You must be signed in to change notification settings - Fork 4.3k
/
JsonStreamParserTest.java
130 lines (115 loc) · 3.24 KB
/
JsonStreamParserTest.java
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
/*
* Copyright (C) 2009 Google Inc.
*
* Licensed 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.
*/
package com.google.gson;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.io.EOFException;
import java.util.NoSuchElementException;
import org.junit.Before;
import org.junit.Test;
/**
* Unit tests for {@link JsonStreamParser}
*
* @author Inderjeet Singh
*/
public class JsonStreamParserTest {
private JsonStreamParser parser;
@Before
public void setUp() throws Exception {
parser = new JsonStreamParser("'one' 'two'");
}
@Test
public void testParseTwoStrings() {
String actualOne = parser.next().getAsString();
assertEquals("one", actualOne);
String actualTwo = parser.next().getAsString();
assertEquals("two", actualTwo);
}
@Test
public void testIterator() {
assertTrue(parser.hasNext());
assertEquals("one", parser.next().getAsString());
assertTrue(parser.hasNext());
assertEquals("two", parser.next().getAsString());
assertFalse(parser.hasNext());
}
@Test
public void testNoSideEffectForHasNext() throws Exception {
assertTrue(parser.hasNext());
assertTrue(parser.hasNext());
assertTrue(parser.hasNext());
assertEquals("one", parser.next().getAsString());
assertTrue(parser.hasNext());
assertTrue(parser.hasNext());
assertEquals("two", parser.next().getAsString());
assertFalse(parser.hasNext());
assertFalse(parser.hasNext());
}
@Test
public void testCallingNextBeyondAvailableInput() {
parser.next();
parser.next();
try {
parser.next();
fail("Parser should not go beyond available input");
} catch (NoSuchElementException expected) {
}
}
@Test
public void testEmptyInput() {
JsonStreamParser parser = new JsonStreamParser("");
try {
parser.next();
fail();
} catch (JsonIOException e) {
assertTrue(e.getCause() instanceof EOFException);
}
parser = new JsonStreamParser("");
try {
parser.hasNext();
fail();
} catch (JsonIOException e) {
assertTrue(e.getCause() instanceof EOFException);
}
}
@Test
public void testIncompleteInput() {
JsonStreamParser parser = new JsonStreamParser("[");
assertTrue(parser.hasNext());
try {
parser.next();
fail();
} catch (JsonSyntaxException e) {
}
}
@Test
public void testMalformedInput() {
JsonStreamParser parser = new JsonStreamParser(":");
try {
parser.hasNext();
fail();
} catch (JsonSyntaxException e) {
}
parser = new JsonStreamParser(":");
try {
parser.next();
fail();
} catch (JsonSyntaxException e) {
}
}
}