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Added and improved tests for INVALID_LITERAL_IN_LEXER_SET and EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.

This commit is contained in:
Ivan Kochurkin 2016-12-15 16:12:43 +03:00 committed by parrt
parent 1d53b416ee
commit 49cec3a610
1 changed files with 33 additions and 5 deletions
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38
tool-testsuite/test/org/antlr/v4/test/tool/TestToolSyntaxErrors.java
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@ -487,11 +487,39 @@ public class TestToolSyntaxErrors extends BaseJavaToolTest {
"Error3: '';\n" +
"NotError: ' ';";
String expected =
"error(" + ErrorType.EMPTY_STRINGS_NOT_ALLOWED.code + "): T.g4:2:8: string literals cannot be empty\n" +
"error(" + ErrorType.EMPTY_STRINGS_NOT_ALLOWED.code + "): T.g4:2:16: string literals cannot be empty\n" +
"error(" + ErrorType.EMPTY_STRINGS_NOT_ALLOWED.code + "): T.g4:3:8: string literals cannot be empty\n" +
"error(" + ErrorType.EMPTY_STRINGS_NOT_ALLOWED.code + "): T.g4:4:15: string literals cannot be empty\n" +
"error(" + ErrorType.EMPTY_STRINGS_NOT_ALLOWED.code + "): T.g4:5:8: string literals cannot be empty\n";
"error(" + ErrorType.EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.code + "): T.g4:2:8: string literals and sets cannot be empty: \n" +
"error(" + ErrorType.EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.code + "): T.g4:2:16: string literals and sets cannot be empty: \n" +
"error(" + ErrorType.EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.code + "): T.g4:3:8: string literals and sets cannot be empty: \n" +
"error(" + ErrorType.EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.code + "): T.g4:4:15: string literals and sets cannot be empty: \n" +
"error(" + ErrorType.EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.code + "): T.g4:5:8: string literals and sets cannot be empty: \n";
String[] pair = new String[] {
grammar,
expected
};
super.testErrors(pair, true);
}
@Test public void testInvalidCharSetAndRange() {
String grammar =
"lexer grammar Test;\n" +
"INVALID_RANGE: 'GH'..'LM';\n" +
"INVALID_RANGE_2: 'F'..'A' | 'Z';\n" +
"VALID_STRING_LITERALS: '\\u1234' | '\\t' | [\\-\\]];\n" +
"INVALID_CHAR_SET: [f-az][];\n" +
"INVALID_CHAR_SET_2: [\\u24\\uA2][\\u24];\n" + //https://github.com/antlr/antlr4/issues/1077
"INVALID_CHAR_SET_3: [\\t\\{];";
String expected =
"error(" + ErrorType.INVALID_LITERAL_IN_LEXER_SET.code + "): Test.g4:2:23: multi-character literals are not allowed in lexer sets: 'GH'\n" +
"error(" + ErrorType.INVALID_LITERAL_IN_LEXER_SET.code + "): Test.g4:2:29: multi-character literals are not allowed in lexer sets: 'LM'\n" +
"error(" + ErrorType.EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.code + "): Test.g4:3:26: string literals and sets cannot be empty: 'F'..'A'\n" +
"error(" + ErrorType.EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.code + "): Test.g4:5:23: string literals and sets cannot be empty: [f-a]\n" +
"error(" + ErrorType.EMPTY_STRINGS_AND_SETS_NOT_ALLOWED.code + "): Test.g4:5:29: string literals and sets cannot be empty: []\n" +
"error(" + ErrorType.INVALID_ESCAPE_SEQUENCE.code + "): Test.g4:6:23: invalid escape sequence\n" +
"error(" + ErrorType.INVALID_ESCAPE_SEQUENCE.code + "): Test.g4:6:33: invalid escape sequence\n" +
"error(" + ErrorType.INVALID_ESCAPE_SEQUENCE.code + "): Test.g4:7:23: invalid escape sequence\n";
String[] pair = new String[] {
grammar,