| package edu.uci.ics.asterix.lexergenerator; |
| |
| import static edu.uci.ics.asterix.lexergenerator.Fixtures.*; |
| import static org.junit.Assert.*; |
| |
| import org.junit.Test; |
| |
| import edu.uci.ics.asterix.lexergenerator.LexerNode; |
| |
| public class LexerNodeMergeNodeTest { |
| |
| @Test |
| public void MergeIsAdd() throws Exception { |
| LexerNode node = new LexerNode(); |
| node.append(rule); |
| LexerNode node2 = new LexerNode(); |
| node2.append(rule2); |
| node2.append(rule); |
| node2.merge(node); |
| node2.appendTokenName(token_name); |
| |
| LexerNode expected = new LexerNode(); |
| expected.append(rule2); |
| expected.append(rule); |
| expected.add(rule); |
| expected.appendTokenName(token_name); |
| |
| assertEquals(expected.toString(), node2.toString()); |
| assertEquals(expected.toJava(), node2.toJava()); |
| } |
| |
| @Test |
| public void MergeTwoToken() throws Exception { |
| LexerNode node = new LexerNode(); |
| node.append(rule); |
| node.appendTokenName(token_name); |
| LexerNode node2 = new LexerNode(); |
| node2.append(rule2); |
| node2.appendTokenName(token2_name); |
| node.merge(node2); |
| |
| assertEquals(" ( "+rule_name+token_tostring+" || "+rule2_name+token_tostring+" ) ", node.toString()); |
| assertEquals(rule_match + "{" |
| + "\n" + rule_action |
| + "\n" + token_return |
| +"}"+rule2_match+"{" |
| + "\n" + rule2_action |
| + "\n" + token2_return |
| +"}return parseError(TOKEN_MYTOKEN,TOKEN_MYTOKEN2);\n" |
| , node.toJava()); |
| } |
| |
| @Test(expected=Exception.class) |
| public void MergeConflict() throws Exception { |
| LexerNode node = new LexerNode(); |
| node.append(rule); |
| node.appendTokenName(token_name); |
| LexerNode node2 = new LexerNode(); |
| node2.append(rule); |
| node2.appendTokenName(token2_name); |
| try { |
| node.merge(node2); |
| } catch (Exception e) { |
| assertEquals("Rule conflict between: "+token_name +" and "+token2_name, e.getMessage()); |
| throw e; |
| } |
| } |
| |
| @Test |
| public void MergeWithoutConflictWithRemoveTokensName() throws Exception { |
| LexerNode node = new LexerNode(); |
| node.append(rule); |
| node.append(rule); |
| node.appendTokenName(token_name); |
| LexerNode node2 = new LexerNode(); |
| node2.append(rule); |
| node2.append(rule); |
| node2.appendTokenName(token2_name); |
| node2.removeTokensName(); |
| node.merge(node2); |
| assertEquals(rule_name+rule_name+token_tostring, node.toString()); |
| } |
| } |