private static void helpTestExpr(String input, String expect, boolean simplify) throws Exception {
Parser p = new Parser(new Scanner(null, new StringReader(input)));
Atom expr = p.parseExpression();
if (simplify) {
expr = UnparseTests.stripUnnecessaryParenExprs(expr);
}
StringWriter sw = new StringWriter();
UnparseVisitor uv = new UnparseVisitor(sw);
expr.accept(uv);
uv.close();
String s = sw.toString();
s = UnparseTests.replace(s, "((( ", "(");
s = UnparseTests.replace(s, " )))", ")");
Assert.assertEquals(expect, s);
}
@Test
public void testLiterals() throws Exception {
Object[][] tests =
new Object[][] {
{new FloatingPointLiteral(null, "-0.0D"), "-0.0D"},
{new FloatingPointLiteral(null, "-0.0F"), "-0.0F"},
};
for (Object[] test : tests) {
final Atom expr = (Atom) test[0];
final String expected = (String) test[1];
StringWriter sw = new StringWriter();
UnparseVisitor uv = new UnparseVisitor(sw);
expr.accept(uv);
uv.close();
Assert.assertEquals(expected, sw.toString());
}
}
private void testInterfaceHelper(boolean interfaceMod) throws CompileException {
Java.Modifiers maas = new Java.Modifiers(Mod.PUBLIC);
if (interfaceMod) maas = maas.add(Mod.INTERFACE);
Java.PackageMemberInterfaceDeclaration decl =
new Java.PackageMemberInterfaceDeclaration(
null,
"foo",
maas,
"Foo",
null, // optionalTypeParameters
new Type[0] // extendedTypes
);
StringWriter sw = new StringWriter();
UnparseVisitor uv = new UnparseVisitor(sw);
decl.accept(uv);
uv.close();
String s = sw.toString();
String correctString = "/**foo */ public interface Foo { }";
Assert.assertEquals(correctString, UnparseTests.normalizeWhitespace(s));
}