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Added test testLabelsForTokensWithMixedTypes.

This commit is contained in:
Ivan Kochurkin 2016-12-07 22:40:07 +03:00
parent d5dda9f998
commit 4e4b902c20
1 changed files with 35 additions and 0 deletions
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35
tool-testsuite/test/org/antlr/v4/test/tool/TestSymbolIssues.java
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@ -309,4 +309,39 @@ public class TestSymbolIssues extends BaseJavaToolTest {
testErrors(test, false);
}
// https://github.com/antlr/antlr4/issues/1409
@Test public void testLabelsForTokensWithMixedTypes() {
String[] test = {
"grammar L;\n" +
"\n" +
"rule1 // Correct (Alternatives)\n" +
" : t1 = a #aLabel\n" +
" | t1 = b #bLabel\n" +
" ;\n" +
"rule2 //Incorrect type casting in generated code (RULE_LABEL)\n" +
" : t2 = a | t2 = b\n" +
" ;\n" +
"rule3\n" +
" : t3 += a+ b t3 += c+ //Incorrect type casting in generated code (RULE_LIST_LABEL)\n" +
" ;\n" +
"rule4\n" +
" : a t4 = A b t4 = B c // Correct (TOKEN_LABEL)\n" +
" ;\n" +
"rule5\n" +
" : a t5 += A b t5 += B c // Correct (TOKEN_LIST_LABEL)\n" +
" ;\n" +
"a: A;\n" +
"b: B;\n" +
"c: C;\n" +
"A: 'a';\n" +
"B: 'b';\n" +
"C: 'c';\n",
"error(" + ErrorType.LABEL_TYPE_CONFLICT.code + "): L.g4:8:15: label t2=b type mismatch with previous definition: t2=a\n" +
"error(" + ErrorType.LABEL_TYPE_CONFLICT.code + "): L.g4:11:17: label t3+=c type mismatch with previous definition: t3+=a\n"
};
testErrors(test, false);
}
}