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Add test for multiple imports

This commit is contained in:
Daniel Halperin 2017-07-11 20:43:06 -07:00
parent d58e7e31bf
commit 7a882f7d5b
4 changed files with 27 additions and 7 deletions
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23
antlr4-maven-plugin/src/test/java/org/antlr/mojo/antlr4/Antlr4MojoTest.java
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@ -202,6 +202,7 @@ public class Antlr4MojoTest {
Path genHello = generatedSources.resolve("test/HelloParser.java");
Path baseGrammar = antlrDir.resolve("imports/TestBaseLexer.g4");
Path baseGrammar2 = antlrDir.resolve("imports/TestBaseLexer2.g4");
Path lexerGrammar = antlrDir.resolve("test/TestLexer.g4");
Path parserGrammar = antlrDir.resolve("test/TestParser.g4");
@ -257,7 +258,25 @@ public class Antlr4MojoTest {
assertTrue(Arrays.equals(origHelloSum, checksum(genHello)));
////////////////////////////////////////////////////////////////////////
// 4th - the lexer grammar changed, the parser grammar has to be processed as well
// 4th - the second imported grammar changed, every dependency has to be processed
////////////////////////////////////////////////////////////////////////
// modify the grammar to make checksum comparison detect a change
try(Change change = Change.of(baseGrammar2, "BANG: '!' ;")) {
maven.executeMojo(session, project, exec);
assertFalse(Arrays.equals(origTestLexerSum, checksum(genTestLexer)));
assertFalse(Arrays.equals(origTestParserSum, checksum(genTestParser)));
assertTrue(Arrays.equals(origHelloSum, checksum(genHello)));
}
// Restore file and confirm it was restored.
maven.executeMojo(session, project, exec);
assertTrue(Arrays.equals(origTestLexerSum, checksum(genTestLexer)));
assertTrue(Arrays.equals(origTestParserSum, checksum(genTestParser)));
assertTrue(Arrays.equals(origHelloSum, checksum(genHello)));
////////////////////////////////////////////////////////////////////////
// 5th - the lexer grammar changed, the parser grammar has to be processed as well
////////////////////////////////////////////////////////////////////////
// modify the grammar to make checksum comparison detect a change
@ -275,7 +294,7 @@ public class Antlr4MojoTest {
assertTrue(Arrays.equals(origHelloSum, checksum(genHello)));
////////////////////////////////////////////////////////////////////////
// 5th - the parser grammar changed, no other grammars have to be processed
// 6th - the parser grammar changed, no other grammars have to be processed
////////////////////////////////////////////////////////////////////////
// modify the grammar to make checksum comparison detect a change

5
antlr4-maven-plugin/src/test/projects/importsStandard/src/main/antlr4/imports/TestBaseLexer.g4
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@ -10,7 +10,4 @@ fragment
Whitespace : ' ' | '\n' | '\t' | '\r' ;
fragment
Hexdigit : [a-fA-F0-9] ;
fragment
Digit : [0-9] ;
Hexdigit : [a-fA-F0-9] ;

4
antlr4-maven-plugin/src/test/projects/importsStandard/src/main/antlr4/imports/TestBaseLexer2.g4 Normal file
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@ -0,0 +1,4 @@
lexer grammar TestBaseLexer2;
fragment
Digit : [0-9] ;

2
antlr4-maven-plugin/src/test/projects/importsStandard/src/main/antlr4/test/TestLexer.g4
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@ -1,6 +1,6 @@
lexer grammar TestLexer;
import TestBaseLexer;
import TestBaseLexer, TestBaseLexer2;
WS : Whitespace+ -> skip;
TEXT : ~[<&]+ ; // match any 16 bit char other than < and &