use of org.antlr.v4.test.runtime.ErrorQueue in project antlr4 by antlr.
the class BaseJavaTest method checkGrammarSemanticsWarning.
protected void checkGrammarSemanticsWarning(ErrorQueue equeue, GrammarSemanticsMessage expectedMessage) throws Exception {
ANTLRMessage foundMsg = null;
for (int i = 0; i < equeue.warnings.size(); i++) {
ANTLRMessage m = equeue.warnings.get(i);
if (m.getErrorType() == expectedMessage.getErrorType()) {
foundMsg = m;
}
}
assertNotNull("no error; " + expectedMessage.getErrorType() + " expected", foundMsg);
assertTrue("error is not a GrammarSemanticsMessage", foundMsg instanceof GrammarSemanticsMessage);
assertEquals(Arrays.toString(expectedMessage.getArgs()), Arrays.toString(foundMsg.getArgs()));
if (equeue.size() != 1) {
System.err.println(equeue);
}
}
use of org.antlr.v4.test.runtime.ErrorQueue in project antlr4 by antlr.
the class TestPerformance method testExponentialInclude.
@Test(timeout = 20000)
public void testExponentialInclude() {
String grammarFormat = "parser grammar Level_%d_%d;\n" + "\n" + "%s import Level_%d_1, Level_%d_2;\n" + "\n" + "rule_%d_%d : EOF;\n";
RuntimeTestUtils.mkdir(getTempDirPath());
long startTime = System.nanoTime();
int levels = 20;
for (int level = 0; level < levels; level++) {
String leafPrefix = level == levels - 1 ? "//" : "";
String grammar1 = String.format(grammarFormat, level, 1, leafPrefix, level + 1, level + 1, level, 1);
writeFile(getTempDirPath(), "Level_" + level + "_1.g4", grammar1);
if (level > 0) {
String grammar2 = String.format(grammarFormat, level, 2, leafPrefix, level + 1, level + 1, level, 1);
writeFile(getTempDirPath(), "Level_" + level + "_2.g4", grammar2);
}
}
ErrorQueue equeue = BaseRuntimeTest.antlrOnString(getTempDirPath(), "Java", "Level_0_1.g4", false);
Assert.assertTrue(equeue.errors.isEmpty());
long endTime = System.nanoTime();
System.out.format("%s milliseconds.%n", (endTime - startTime) / 1000000.0);
}
use of org.antlr.v4.test.runtime.ErrorQueue in project antlr4 by antlr.
the class BaseJavaToolTest method testErrors.
public void testErrors(String[] pairs, boolean printTree) {
for (int i = 0; i < pairs.length; i += 2) {
String grammarStr = pairs[i];
String expect = pairs[i + 1];
String[] lines = grammarStr.split("\n");
String fileName = getFilenameFromFirstLineOfGrammar(lines[0]);
// use default language target in case test overrides
ErrorQueue equeue = BaseRuntimeTest.antlrOnString(getTempDirPath(), null, fileName, grammarStr, false);
String actual = equeue.toString(true);
actual = actual.replace(getTempDirPath() + File.separator, "");
// System.err.println(actual);
String msg = grammarStr;
msg = msg.replace("\n", "\\n");
msg = msg.replace("\r", "\\r");
msg = msg.replace("\t", "\\t");
assertEquals("error in: " + msg, expect, actual);
}
}
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