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package com.jsoniter;

import com.jsoniter.spi.JsonException;

import junit.framework.TestCase;

import org.junit.experimental.categories.Category;

import java.io.ByteArrayInputStream;

import java.io.IOException;

public class TestInteger extends TestCase {

private boolean isStreaming;

public void test_positive_negative_int() throws IOException {

assertEquals(4321, parseInt("4321"));

assertEquals(54321, parseInt("54321"));

assertEquals(654321, parseInt("654321"));

assertEquals(7654321, parseInt("7654321"));

assertEquals(87654321, parseInt("87654321"));

assertEquals(987654321, parseInt("987654321"));

assertEquals(-4321, parseInt("-4321"));

}

public void test_positive_negative_long() throws IOException {

assertEquals(4321L, parseLong("4321"));

assertEquals(54321L, parseLong("54321"));

assertEquals(654321L, parseLong("654321"));

assertEquals(7654321L, parseLong("7654321"));

assertEquals(87654321L, parseLong("87654321"));

assertEquals(987654321L, parseLong("987654321"));

assertEquals(-4321L, parseLong("-4321"));

}

public void test_max_min_int() throws IOException {

assertEquals(Integer.MAX_VALUE, parseInt(Integer.toString(Integer.MAX_VALUE)));

assertEquals(Integer.MAX_VALUE - 1, parseInt(Integer.toString(Integer.MAX_VALUE - 1)));

assertEquals(Integer.MIN_VALUE + 1, parseInt(Integer.toString(Integer.MIN_VALUE + 1)));

assertEquals(Integer.MIN_VALUE, parseInt(Integer.toString(Integer.MIN_VALUE)));

}

public void test_max_min_long() throws IOException {

assertEquals(Long.MAX_VALUE, parseLong(Long.toString(Long.MAX_VALUE)));

assertEquals(Long.MAX_VALUE - 1, parseLong(Long.toString(Long.MAX_VALUE - 1)));

assertEquals(Long.MIN_VALUE + 1, parseLong(Long.toString(Long.MIN_VALUE + 1)));

assertEquals(Long.MIN_VALUE, parseLong(Long.toString(Long.MIN_VALUE)));

}

public void test_large_number() throws IOException {

try {

JsonIterator.deserialize(Integer.toString(Integer.MIN_VALUE) + "1", Integer.class);

fail();

} catch (JsonException e) {

}

try {

JsonIterator.deserialize(Long.toString(Long.MAX_VALUE) + "1", Long.class);

fail();

} catch (JsonException e) {

}

}

@Category(StreamingCategory.class)

public void test_streaming() throws IOException {

isStreaming = true;

test_positive_negative_int();

test_positive_negative_long();

test_max_min_int();

test_max_min_long();

test_large_number();

}

private int parseInt(String input) throws IOException {

if (isStreaming) {

JsonIterator iter = JsonIterator.parse(new ByteArrayInputStream(input.getBytes()), 2);

return iter.readInt();

} else {

JsonIterator iter = JsonIterator.parse(input);

return iter.readInt();

}

}

private long parseLong(String input) throws IOException {

if (isStreaming) {

JsonIterator iter = JsonIterator.parse(new ByteArrayInputStream(input.getBytes()), 2);

return iter.readLong();

} else {

JsonIterator iter = JsonIterator.parse(input);

return iter.readLong();

}

}

}