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1 package org.hibernate.test.ast;
3
4 import junit.framework.Test;
5 import junit.framework.TestCase;
6 import junit.framework.TestSuite;
7
8 import org.hibernate.hql.ast.util.ASTUtil;
9
10 import antlr.ASTFactory;
11 import antlr.collections.AST;
12
13
16 public class ASTUtilTest extends TestCase {
17 private ASTFactory factory;
18
19
24 public ASTUtilTest(String  name) {
25 super( name );
26 }
27
28 protected void setUp() throws Exception {
29 super.setUp();
30 factory = new ASTFactory();
31 }
32
33 public void testCreate() throws Exception {
34 AST n = ASTUtil.create( factory, 1, "one");
35 assertNull( n.getFirstChild() );
36 assertEquals("one",n.getText());
37 assertEquals(1,n.getType());
38 }
39
42 public void testCreateTree() throws Exception {
43 AST[] tree = new AST[4];
44 AST grandparent = tree[0] = ASTUtil.create(factory, 1, "grandparent");
45 AST parent = tree[1] = ASTUtil.create(factory,2,"parent");
46 AST child = tree[2] = ASTUtil.create(factory,3,"child");
47 AST baby = tree[3] = ASTUtil.create(factory,4,"baby");
48 AST t = ASTUtil.createTree( factory, tree);
49 assertSame(t,grandparent);
50 assertSame(parent,t.getFirstChild());
51 assertSame(child,t.getFirstChild().getFirstChild());
52 assertSame(baby,t.getFirstChild().getFirstChild().getFirstChild());
53 }
54
55 public void testFindPreviousSibling() throws Exception {
56 AST child1 = ASTUtil.create(factory,2, "child1");
57 AST child2 = ASTUtil.create(factory,3, "child2");
58 AST n = factory.make( new AST[] {
59 ASTUtil.create(factory, 1, "parent"),
60 child1,
61 child2,
62 });
63 assertSame(child1,ASTUtil.findPreviousSibling( n,child2));
64 Exception e = null;
65 try {
66 ASTUtil.findPreviousSibling(child1,null);
67 }
68 catch (Exception x) {
69 e = x;
70 }
71 assertNotNull(e);
72 }
73
74 public static Test suite() {
75 return new TestSuite( ASTUtilTest.class );
76 }
77
78 }
79 |
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