1 package org.eclipse.aether.util.version;
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22 import static org.junit.Assert.assertEquals;
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24 import org.eclipse.aether.version.Version;
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28 abstract class AbstractVersionTest
29 {
30
31 protected static final int X_LT_Y = -1;
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33 protected static final int X_EQ_Y = 0;
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35 protected static final int X_GT_Y = 1;
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37 protected abstract Version newVersion( String version );
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39 protected void assertOrder( int expected, String version1, String version2 )
40 {
41 Version v1 = newVersion( version1 );
42 Version v2 = newVersion( version2 );
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44 if ( expected > 0 )
45 {
46 assertEquals( "expected " + v1 + " > " + v2, 1, Integer.signum( v1.compareTo( v2 ) ) );
47 assertEquals( "expected " + v2 + " < " + v1, -1, Integer.signum( v2.compareTo( v1 ) ) );
48 assertEquals( "expected " + v1 + " != " + v2, false, v1.equals( v2 ) );
49 assertEquals( "expected " + v2 + " != " + v1, false, v2.equals( v1 ) );
50 }
51 else if ( expected < 0 )
52 {
53 assertEquals( "expected " + v1 + " < " + v2, -1, Integer.signum( v1.compareTo( v2 ) ) );
54 assertEquals( "expected " + v2 + " > " + v1, 1, Integer.signum( v2.compareTo( v1 ) ) );
55 assertEquals( "expected " + v1 + " != " + v2, false, v1.equals( v2 ) );
56 assertEquals( "expected " + v2 + " != " + v1, false, v2.equals( v1 ) );
57 }
58 else
59 {
60 assertEquals( "expected " + v1 + " == " + v2, 0, v1.compareTo( v2 ) );
61 assertEquals( "expected " + v2 + " == " + v1, 0, v2.compareTo( v1 ) );
62 assertEquals( "expected " + v1 + " == " + v2, true, v1.equals( v2 ) );
63 assertEquals( "expected " + v2 + " == " + v1, true, v2.equals( v1 ) );
64 assertEquals( "expected #(" + v1 + ") == #(" + v1 + ")", v1.hashCode(), v2.hashCode() );
65 }
66 }
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68 protected void assertSequence( String... versions )
69 {
70 for ( int i = 0; i < versions.length - 1; i++ )
71 {
72 for ( int j = i + 1; j < versions.length; j++ )
73 {
74 assertOrder( X_LT_Y, versions[i], versions[j] );
75 }
76 }
77 }
78
79 }