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1 package test.prefuse.data;
2
3 import junit.framework.TestCase;
4 import prefuse.Visualization;
5 import prefuse.data.Table;
6 import prefuse.data.Tuple;
7 import prefuse.data.expression.AbstractPredicate;
8 import prefuse.data.expression.Predicate;
9 import prefuse.data.io.DelimitedTextTableWriter;
10 import prefuse.data.util.TableIterator;
11 import prefuse.visual.VisualTable;
12 import test.prefuse.TestConfig;
13
14 public class VisualItemTableTest extends TestCase implements TableTestData {
15
16 Table t;
17
18
21 protected void setUp() throws Exception  {
22 super.setUp();
23 t = TableTest.getTestCaseTable();
24 }
25
26
29 protected void tearDown() throws Exception {
30 super.tearDown();
31 t = null;
32 }
33
34
37 public void testVisualItemTableTableRowFilter() {
38 final float thresh = 5.0f;
39
40 Predicate p = new AbstractPredicate() {
41 public boolean getBoolean(Tuple t) {
42 return t.getFloat(HEADERS[3]) < thresh;
43 }
44 };
45
46 Visualization vis = new Visualization();
47 VisualTable vt = new VisualTable(t, vis, "data", p);
48
49 for ( int i=0, r=0; i<NROWS; ++i ) {
50 float val = ((Float )TABLE[3][i]).floatValue();
51 if ( val < thresh ) {
52 try {
53 for ( int c=0; c<NCOLS; ++c ) {
54 Object o1 = TABLE[c][i];
55 Object o2 = vt.get(r, HEADERS[c]);
56 assertEquals(o1, o2);
57 }
58 ++r;
59 } catch ( Exception e ) {
60 fail("Caught exception: "+e);
61 }
62 }
63 }
64
65 String name = "test";
67 vt.addColumn(name, double.class, new Double (Math.PI));
68 TableIterator iter = vt.iterator();
69 while ( iter.hasNext() ) {
70 int row = iter.nextInt();
71 iter.setDouble(name, Math.E);
72 assertTrue(Math.E == vt.getDouble(row, name));
73 }
74
75 int nr = t.addRow();
76 t.setFloat(nr, HEADERS[3], 0.5f);
77
78 if ( TestConfig.verbose() ) {
79 try {
80 new DelimitedTextTableWriter().writeTable(vt, System.out);
81 } catch ( Exception e ) { e.printStackTrace(); }
82 }
83 }
84
85 }
86 |
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