1   package org.slf4j.instrumentation;
2   
3   import junit.framework.TestCase;
4   
5   public class ToStringHelperTest extends TestCase {
6   
7   	public void testRenderer() {
8   		assertEquals("", "null", ToStringHelper.render(null));
9   		assertEquals("", "a", ToStringHelper.render("a"));
10  		assertEquals("", "[]", ToStringHelper.render(new String[0]));
11  
12  		assertEquals("", "[a]", ToStringHelper.render(new String[] { "a" }));
13  
14  		assertEquals("", "[a, b]", ToStringHelper.render(new String[] { "a",
15  				"b" }));
16  
17  		assertEquals("", "[a, b, c]", ToStringHelper.render(new String[] { "a",
18  				"b", "c" }));
19  
20  		assertEquals("", "[[a], [b, c]]", ToStringHelper.render(new String[][] {
21  				{ "a" }, { "b", "c" } }));
22  
23  		assertEquals("", "[0, [a], [b, c]]", ToStringHelper
24  				.render(new Object[] { "0", new String[] { "a" },
25  						new Object[] { "b", "c" } }));
26  
27  		assertEquals("", "[1]", ToStringHelper.render(new int[] { 1 }));
28  
29  		assertEquals("", "[1, 2, 3]", ToStringHelper
30  				.render(new int[] { 1, 2, 3 }));
31  
32  		assertEquals("", "[1, 2, 3]", ToStringHelper.render(new long[] { 1, 2,
33  				3 }));
34  
35  		assertEquals("", "[1, 2, 3]", ToStringHelper.render(new short[] { 1, 2,
36  				3 }));
37  
38  		assertEquals("", "[[1, 2], [], [3, 4]]", ToStringHelper
39  				.render(new byte[][] { { 1, 2 }, {}, { 3, 4 } }));
40  
41  		assertEquals("", "[1.0, 2.0, 3.0]", ToStringHelper.render(new float[] {
42  				1, 2, 3 }));
43  
44  		assertEquals("", "[1.0, 2.0, 3.0]", ToStringHelper.render(new double[] {
45  				1, 2, 3 }));
46  
47  		assertEquals("", "[[1.0, 2.0, 3.0]]", ToStringHelper
48  				.render(new double[][] { { 1, 2, 3 } }));
49  
50  		assertEquals("", "[true, false, true]", ToStringHelper
51  				.render(new boolean[] { true, false, true }));
52  	}
53  
54  }