1 package org.eclipse.aether.util.version;
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22 import static org.junit.Assert.assertEquals;
23 import static org.junit.Assert.assertFalse;
24 import static org.junit.Assert.assertTrue;
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26 import org.eclipse.aether.version.Version;
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30 abstract class AbstractVersionTest
31 {
32
33 protected static final int X_LT_Y = -1;
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35 protected static final int X_EQ_Y = 0;
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37 protected static final int X_GT_Y = 1;
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39 protected abstract Version newVersion( String version );
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41 protected void assertOrder( int expected, String version1, String version2 )
42 {
43 Version v1 = newVersion( version1 );
44 Version v2 = newVersion( version2 );
45
46 if ( expected > 0 )
47 {
48 assertEquals( "expected " + v1 + " > " + v2, 1, Integer.signum( v1.compareTo( v2 ) ) );
49 assertEquals( "expected " + v2 + " < " + v1, -1, Integer.signum( v2.compareTo( v1 ) ) );
50 assertFalse( "expected " + v1 + " != " + v2, v1.equals( v2 ) );
51 assertFalse( "expected " + v2 + " != " + v1, v2.equals( v1 ) );
52 }
53 else if ( expected < 0 )
54 {
55 assertEquals( "expected " + v1 + " < " + v2, -1, Integer.signum( v1.compareTo( v2 ) ) );
56 assertEquals( "expected " + v2 + " > " + v1, 1, Integer.signum( v2.compareTo( v1 ) ) );
57 assertFalse( "expected " + v1 + " != " + v2, v1.equals( v2 ) );
58 assertFalse( "expected " + v2 + " != " + v1, v2.equals( v1 ) );
59 }
60 else
61 {
62 assertEquals( "expected " + v1 + " == " + v2, 0, v1.compareTo( v2 ) );
63 assertEquals( "expected " + v2 + " == " + v1, 0, v2.compareTo( v1 ) );
64 assertTrue( "expected " + v1 + " == " + v2, v1.equals( v2 ) );
65 assertTrue( "expected " + v2 + " == " + v1, v2.equals( v1 ) );
66 assertEquals( "expected #(" + v1 + ") == #(" + v1 + ")", v1.hashCode(), v2.hashCode() );
67 }
68 }
69
70 protected void assertSequence( String... versions )
71 {
72 for ( int i = 0; i < versions.length - 1; i++ )
73 {
74 for ( int j = i + 1; j < versions.length; j++ )
75 {
76 assertOrder( X_LT_Y, versions[i], versions[j] );
77 }
78 }
79 }
80
81 }