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Code Issues Pull Requests 1 Releases Wiki Activity

get last not first when get() finds multiple matching nodes.

This commit is contained in:
Terence Parr 2013-12-20 12:47:19 -08:00
parent 2ff3bb6f52
commit 6b2817f8bb
1 changed files with 24 additions and 2 deletions
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26
tool/test/org/antlr/v4/test/TestParseTreeMatcher.java
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@ -193,6 +193,28 @@ public class TestParseTreeMatcher extends BaseTest {
assertEquals("[]", m.getAll("undefined").toString());
}
@Test public void testLabelGetsLastIDNode() throws Exception {
String grammar =
"grammar X9;\n" +
"s : ID ID ';' ;\n" +
"ID : [a-z]+ ;\n" +
"WS : [ \\r\\n\\t]+ -> skip ;\n";
String input = "x y;";
String pattern = "<id:ID> <id:ID>;";
ParseTreeMatch m = checkPatternMatch(grammar, "s", input, pattern, "X9");
assertEquals("{ID=[x, y], id=[x, y]}", m.getLabels().toString());
assertNotNull(m.get("id"));
assertNotNull(m.get("ID"));
assertEquals("y", m.get("id").getText());
assertEquals("y", m.get("ID").getText());
assertEquals("[x, y]", m.getAll("id").toString());
assertEquals("[x, y]", m.getAll("ID").toString());
assertNull(m.get("undefined"));
assertEquals("[]", m.getAll("undefined").toString());
}
@Test public void testIDNodeWithMultipleLabelMatches() throws Exception {
String grammar =
"grammar X7;\n" +
@ -207,9 +229,9 @@ public class TestParseTreeMatcher extends BaseTest {
assertNotNull(m.get("a")); // get first
assertNotNull(m.get("b"));
assertNotNull(m.get("ID"));
assertEquals("x", m.get("a").getText());
assertEquals("z", m.get("a").getText());
assertEquals("y", m.get("b").getText());
assertEquals("x", m.get("ID").getText()); // get first
assertEquals("z", m.get("ID").getText()); // get last
assertEquals("[x, z]", m.getAll("a").toString());
assertEquals("[y]", m.getAll("b").toString());
assertEquals("[x, y, z]", m.getAll("ID").toString()); // ordered