public void testArray() {
String orig = "[0,1,2,3,\"hello\"]";
json(orig);
json.enterList();
for (int i = 0; i < 4; i++) {
assertTrue(json.hasNext());
assertEquals(i, json.nextInt());
}
assertTrue(json.hasNext());
assertStringsMatch("hello", json.nextString());
assertFalse(json.hasNext());
json.exit();
}
public void testNullAsString() {
json(swapQuotes("['hello',null,'there']"));
json.enterList();
assertStringsMatch("hello", json.nextString());
assertNull(json.nextString());
assertStringsMatch("there", json.nextString());
assertFalse(json.hasNext());
}
public static Alpha parse(JSONParser json) {
Alpha a = new Alpha();
json.enterMap();
while (json.hasNext()) {
String key = json.nextKey();
double d = json.nextDouble();
a.map.put(key, d);
}
return a;
}
public void testNumbers() {
String script[] = {"0", "1", "-123.52e20", "-123.52e-20", "0.5"};
for (int i = 0; i < script.length; i++) {
String s = script[i];
json(s);
double d = json.nextDouble();
assertFalse(json.hasNext());
assertEquals(Double.parseDouble(s), d, 1e-10);
}
}
public void testPeek() {
int[] a = {5, 12, -1, 17, 3, -1, 42, -1};
String s = "[5,12,null,17,3,null,42,null]";
JSONParser p = new JSONParser(s);
p.enterList();
for (int i = 0; i < a.length; i++) {
assertTrue(p.hasNext());
Object q = p.peekNext();
assertTrue((a[i] < 0) == (q == null));
if (q == null) {
assertTrue(p.nextIfNull());
} else {
assertFalse(p.nextIfNull());
assertEquals(a[i], p.nextInt());
}
}
assertFalse(p.hasNext());
p.exit();
}
public void testPeek2() {
String s = "{'a':5,'b':null,'c':17}";
s = JSONTools.swapQuotes(s);
JSONParser p = new JSONParser(s);
int sum = 0;
p.enterMap();
while (p.hasNext()) {
String key = p.nextKey();
if (!p.nextIfNull()) {
if (!key.equals("a")) {
assertEquals("c", key);
}
int val = p.nextInt();
sum += val;
}
}
p.exit();
assertEquals(5 + 17, sum);
}
public void testSymmetry() {
String script[] = { //
"0", //
"1", //
"-1.2352E20", //
"-1.2352E-20", //
"0.5", //
"{'hey':42}", //
"[1,2,3,4]", //
"{'hey':42,'you':43}", //
"{'hey':{'you':17},'array':[1,2,3,4]}", //
"{'trailing number':5}", //
"{ 'favorite song': { '_skip_order': 3, 'type': 'text','hint': 'name of song','zminlines': 5 },'wow':12 } ", //
};
for (int i = 0; i < script.length; i++) {
String s = swapQuotes(script[i]);
if (db) pr("\n testing '" + s + "'");
json(s);
Object obj = json.next();
assertFalse(json.hasNext());
if (db) pr(" parsed " + obj + " (type = " + obj.getClass() + ")");
newEnc().encode(obj);
String s2 = enc.toString();
if (db) pr(" encoded is " + s2);
Object obj2 = json(s2).next();
if (db) pr("parsed object: " + obj2);
newEnc().encode(obj2);
String s3 = enc.toString();
assertStringsMatch(s2, s3);
}
}