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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.DYNAMIC_MODE_AND_MATCH_FIELD_WITH_HASH);

}

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}, 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, 2}, 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, null, 2), 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, 2, 3}, 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, 2, 3, 4}, 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, 2, 3, 4, 5}, 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());

}

}