package com.jsoniter;
import com.jsoniter.any.Any;
import com.jsoniter.spi.TypeLiteral;
import junit.framework.TestCase;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import static org.junit.Assert.assertArrayEquals;
public class TestArray extends TestCase {
static {
// JsonIterator.setMode(DecodingMode.REFLECTION_MODE);
}
public void test_empty_array() throws IOException {
JsonIterator iter = JsonIterator.parse("[]");
assertFalse(iter.readArray());
iter.reset(iter.buf);
int[] array = iter.read(int[].class);
assertEquals(0, array.length);
iter.reset(iter.buf);
List<String> list = iter.read(new TypeLiteral<List<String>>() {
});
assertEquals(0, list.size());
iter.reset(iter.buf);
Any any = iter.readAny();
assertEquals(0, any.size());
}
public void test_one_element() throws IOException {
JsonIterator iter = JsonIterator.parse("[1]");
assertTrue(iter.readArray());
assertEquals(1, iter.readInt());
assertFalse(iter.readArray());
iter.reset(iter.buf);
int[] array = iter.read(int[].class);
assertArrayEquals(new int[]{1}, array);
iter.reset(iter.buf);
List<Integer> list = iter.read(new TypeLiteral<List<Integer>>() {
});
assertEquals(Arrays.asList(1), list);
iter.reset(iter.buf);
assertArrayEquals(new Object[]{1.0}, iter.read(Object[].class));
iter.reset(iter.buf);
assertEquals(1, iter.read(Any[].class)[0].toInt());
iter.reset(iter.buf);
assertEquals(1, iter.readAny().toInt(0));
iter.reset(iter.buf);
final List<Integer> values = new ArrayList<Integer>();
iter.readArrayCB(new JsonIterator.ReadArrayCallback() {
@Override
public boolean handle(JsonIterator iter, Object attachment) throws IOException {
values.add(iter.readInt());
return true;
}
}, null);
assertEquals(Arrays.asList(1), values);
}
public void test_two_elements() throws IOException {
JsonIterator iter = JsonIterator.parse(" [ 1 , 2 ] ");
assertTrue(iter.readArray());
assertEquals(1, iter.readInt());
assertTrue(iter.readArray());
assertEquals(2, iter.readInt());
assertFalse(iter.readArray());
iter.reset(iter.buf);
int[] array = iter.read(int[].class);
assertArrayEquals(new int[]{1, 2}, array);
iter.reset(iter.buf);
List<Integer> list = iter.read(new TypeLiteral<List<Integer>>() {
});
assertEquals(Arrays.asList(1, 2), list);
iter.reset(iter.buf);
assertArrayEquals(new Object[]{1.0, 2.0}, iter.read(Object[].class));
iter.reset(iter.buf);
assertEquals(1, iter.read(Any[].class)[0].toInt());
iter.reset(iter.buf);
assertEquals(1, iter.readAny().toInt(0));
iter = JsonIterator.parse(" [ 1 , null, 2 ] ");
assertEquals(Arrays.asList(1.0D, null, 2.0D), iter.read());
}
public void test_three_elements() throws IOException {
JsonIterator iter = JsonIterator.parse(" [ 1 , 2, 3 ] ");
assertTrue(iter.readArray());
assertEquals(1, iter.readInt());
assertTrue(iter.readArray());
assertEquals(2, iter.readInt());
assertTrue(iter.readArray());
assertEquals(3, iter.readInt());
assertFalse(iter.readArray());
iter.reset(iter.buf);
int[] array = iter.read(int[].class);
assertArrayEquals(new int[]{1, 2, 3}, array);
iter.reset(iter.buf);
List<Integer> list = iter.read(new TypeLiteral<List<Integer>>() {
});
assertEquals(Arrays.asList(1, 2, 3), list);
iter.reset(iter.buf);
assertArrayEquals(new Object[]{1.0, 2.0, 3.0}, iter.read(Object[].class));
iter.reset(iter.buf);
assertEquals(1, iter.read(Any[].class)[0].toInt());
iter.reset(iter.buf);
assertEquals(1, iter.readAny().toInt(0));
}
public void test_four_elements() throws IOException {
JsonIterator iter = JsonIterator.parse(" [ 1 , 2, 3, 4 ] ");
assertTrue(iter.readArray());
assertEquals(1, iter.readInt());
assertTrue(iter.readArray());
assertEquals(2, iter.readInt());
assertTrue(iter.readArray());
assertEquals(3, iter.readInt());
assertTrue(iter.readArray());
assertEquals(4, iter.readInt());
assertFalse(iter.readArray());
iter.reset(iter.buf);
int[] array = iter.read(int[].class);
assertArrayEquals(new int[]{1, 2, 3, 4}, array);
iter.reset(iter.buf);
List<Integer> list = iter.read(new TypeLiteral<List<Integer>>() {
});
assertEquals(Arrays.asList(1, 2, 3, 4), list);
iter.reset(iter.buf);
assertArrayEquals(new Object[]{1.0, 2.0, 3.0, 4.0}, iter.read(Object[].class));
iter.reset(iter.buf);
assertEquals(1, iter.read(Any[].class)[0].toInt());
iter.reset(iter.buf);
assertEquals(1, iter.readAny().toInt(0));
}
public void test_five_elements() throws IOException {
JsonIterator iter = JsonIterator.parse(" [ 1 , 2, 3, 4, 5 ] ");
assertTrue(iter.readArray());
assertEquals(1, iter.readInt());
assertTrue(iter.readArray());
assertEquals(2, iter.readInt());
assertTrue(iter.readArray());
assertEquals(3, iter.readInt());
assertTrue(iter.readArray());
assertEquals(4, iter.readInt());
assertTrue(iter.readArray());
assertEquals(5, iter.readInt());
assertFalse(iter.readArray());
iter.reset(iter.buf);
int[] array = iter.read(int[].class);
assertArrayEquals(new int[]{1, 2, 3, 4, 5}, array);
iter.reset(iter.buf);
List<Integer> list = iter.read(new TypeLiteral<List<Integer>>() {
});
assertEquals(Arrays.asList(1, 2, 3, 4, 5), list);
iter.reset(iter.buf);
assertArrayEquals(new Object[]{1.0, 2.0, 3.0, 4.0, 5.0}, iter.read(Object[].class));
iter.reset(iter.buf);
assertEquals(1, iter.read(Any[].class)[0].toInt());
iter.reset(iter.buf);
assertEquals(1, iter.readAny().toInt(0));
}
public void test_null() throws IOException {
JsonIterator iter = JsonIterator.parse("null");
assertNull(iter.read(double[].class));
}
public void test_boolean_array() throws IOException {
JsonIterator iter = JsonIterator.parse("[true, false, true]");
assertArrayEquals(new boolean[]{true, false, true}, iter.read(boolean[].class));
}
public void test_iterator() throws IOException {
Any any = JsonIterator.deserialize("[1,2,3,4]");
Iterator<Any> iter = any.iterator();
assertEquals(1, iter.next().toInt());
iter = any.iterator();
assertEquals(1, iter.next().toInt());
assertEquals(2, iter.next().toInt());
iter = any.iterator();
assertEquals(1, iter.next().toInt());
assertEquals(2, iter.next().toInt());
assertEquals(3, iter.next().toInt());
iter = any.iterator();
assertEquals(1, iter.next().toInt());
assertEquals(2, iter.next().toInt());
assertEquals(3, iter.next().toInt());
assertEquals(4, iter.next().toInt());
assertFalse(iter.hasNext());
}
public void test_array_lazy_any_to_string() {
Any any = JsonIterator.deserialize("[1,2,3]");
any.asList().add(Any.wrap(4));
assertEquals("[1,2,3,4]", any.toString());
}
}