private void testSuccessfulParse(String s, TreeNode tn) {
SyntaxTree t = TestParseHelper.earleyParseBuildTree(g, s, null, diagnostics);
assert !diagnostics.hasError()
: "Got parser errors: " + TestParseHelper.getParseOutput(diagnostics);
if (tn != null)
assert tn.equals(t.getRoot()) : "Got unexpected tree: " + t.getRoot() + ", expected: " + tn;
}
@BeforeClass
public void createLRParser() throws IOException {
g = TestParseHelper.getJavaGrammarFromFile("Block", false);
}