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1 | package be.nikiroo.utils.test_code; |
2 | ||
3 | import java.io.ByteArrayOutputStream; | |
617ad86c NR |
4 | import java.util.ArrayList; |
5 | import java.util.List; | |
a26188d3 | 6 | |
8e76f6ab | 7 | import be.nikiroo.utils.streams.BufferedOutputStream; |
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8 | import be.nikiroo.utils.test.TestCase; |
9 | import be.nikiroo.utils.test.TestLauncher; | |
10 | ||
11 | class BufferedOutputStreamTest extends TestLauncher { | |
12 | public BufferedOutputStreamTest(String[] args) { | |
13 | super("BufferedOutputStream test", args); | |
14 | ||
15 | addTest(new TestCase("Single write") { | |
16 | @Override | |
17 | public void test() throws Exception { | |
18 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); | |
19 | BufferedOutputStream out = new BufferedOutputStream(bout); | |
20 | ||
21 | byte[] data = new byte[] { 42, 12, 0, 127 }; | |
22 | ||
23 | out.write(data); | |
24 | out.close(); | |
25 | ||
26 | checkArrays(this, "FIRST", bout, data); | |
27 | } | |
28 | }); | |
29 | ||
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30 | addTest(new TestCase("Single write of 5000 bytes") { |
31 | @Override | |
32 | public void test() throws Exception { | |
33 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); | |
34 | BufferedOutputStream out = new BufferedOutputStream(bout); | |
35 | ||
36 | byte[] data = new byte[5000]; | |
37 | for (int i = 0; i < data.length; i++) { | |
38 | data[i] = (byte) (i % 255); | |
39 | } | |
40 | ||
41 | out.write(data); | |
42 | out.close(); | |
43 | ||
44 | checkArrays(this, "FIRST", bout, data); | |
45 | } | |
46 | }); | |
47 | ||
a26188d3 NR |
48 | addTest(new TestCase("Multiple writes") { |
49 | @Override | |
50 | public void test() throws Exception { | |
51 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); | |
52 | BufferedOutputStream out = new BufferedOutputStream(bout); | |
53 | ||
54 | byte[] data1 = new byte[] { 42, 12, 0, 127 }; | |
55 | byte[] data2 = new byte[] { 15, 55 }; | |
56 | byte[] data3 = new byte[] {}; | |
57 | ||
58 | byte[] dataAll = new byte[] { 42, 12, 0, 127, 15, 55 }; | |
59 | ||
60 | out.write(data1); | |
61 | out.write(data2); | |
62 | out.write(data3); | |
63 | out.close(); | |
64 | ||
65 | checkArrays(this, "FIRST", bout, dataAll); | |
66 | } | |
67 | }); | |
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68 | |
69 | addTest(new TestCase("Multiple writes for a 5000 bytes total") { | |
70 | @Override | |
71 | public void test() throws Exception { | |
72 | ByteArrayOutputStream bout = new ByteArrayOutputStream(); | |
73 | BufferedOutputStream out = new BufferedOutputStream(bout); | |
74 | ||
75 | byte[] data = new byte[] { 42, 12, 0, 127, 51, 2, 32, 66, 7, 87 }; | |
76 | ||
77 | List<Byte> bytes = new ArrayList<Byte>(); | |
78 | ||
79 | // write 400 * 10 + 1000 bytes = 5000 | |
80 | for (int i = 0; i < 400; i++) { | |
81 | for (int j = 0; j < data.length; j++) { | |
82 | bytes.add(data[j]); | |
83 | } | |
84 | out.write(data); | |
85 | } | |
86 | ||
87 | for (int i = 0; i < 1000; i++) { | |
88 | for (int j = 0; j < data.length; j++) { | |
89 | bytes.add(data[j]); | |
90 | } | |
91 | out.write(data); | |
92 | } | |
93 | ||
94 | out.close(); | |
95 | ||
96 | byte[] abytes = new byte[bytes.size()]; | |
97 | for (int i = 0; i < bytes.size(); i++) { | |
98 | abytes[i] = bytes.get(i); | |
99 | } | |
100 | ||
101 | checkArrays(this, "FIRST", bout, abytes); | |
102 | } | |
103 | }); | |
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104 | } |
105 | ||
106 | static void checkArrays(TestCase test, String prefix, | |
107 | ByteArrayOutputStream bout, byte[] expected) throws Exception { | |
108 | byte[] actual = bout.toByteArray(); | |
109 | ||
110 | if (false) { | |
111 | System.out.print("\nExpected data: [ "); | |
c8ce09c4 | 112 | for (int i = 0; i < expected.length; i++) { |
a26188d3 NR |
113 | if (i > 0) |
114 | System.out.print(", "); | |
115 | System.out.print(expected[i]); | |
116 | } | |
117 | System.out.println(" ]"); | |
118 | ||
119 | System.out.print("Actual data : [ "); | |
120 | for (int i = 0; i < actual.length; i++) { | |
121 | if (i > 0) | |
122 | System.out.print(", "); | |
123 | System.out.print(actual[i]); | |
124 | } | |
125 | System.out.println(" ]"); | |
126 | } | |
127 | ||
128 | test.assertEquals("The " + prefix | |
129 | + " resulting array has not the correct number of items", | |
130 | expected.length, actual.length); | |
131 | for (int i = 0; i < actual.length; i++) { | |
132 | test.assertEquals(prefix + ": item " + i | |
133 | + " (0-based) is not the same", expected[i], actual[i]); | |
134 | } | |
135 | } | |
136 | } |