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package com.jsoniter;

import junit.framework.TestCase;

import org.junit.experimental.categories.Category;

import java.io.ByteArrayInputStream;

import java.io.IOException;

public class TestFloat extends TestCase {

private boolean isStreaming;

public void test_positive_negative() throws IOException {

// positive

assertEquals(12.3f, parseFloat("12.3,"));

assertEquals(12.3d, parseDouble("12.3,"));

// negative

assertEquals(-12.3f, parseFloat("-12.3,"));

assertEquals(-12.3d, parseDouble("-12.3,"));

}

public void test_long_double() throws IOException {

double d = JsonIterator.deserialize("4593560419846153055", double.class);

assertEquals(4593560419846153055d, d, 0.1);

}

public void test_ieee_754() throws IOException {

assertEquals(0.00123f, parseFloat("123e-5,"));

assertEquals(0.00123d, parseDouble("123e-5,"));

}

public void test_decimal_places() throws IOException {

assertEquals(Long.MAX_VALUE, parseFloat("9223372036854775807,"), 0.01f);

assertEquals(Long.MAX_VALUE, parseDouble("9223372036854775807,"), 0.01f);

assertEquals(9923372036854775807f, parseFloat("9923372036854775807,"), 0.01f);

assertEquals(9923372036854775807d, parseDouble("9923372036854775807,"), 0.01f);

assertEquals(720368.54775807f, parseFloat("720368.54775807,"), 0.01f);

assertEquals(720368.54775807d, parseDouble("720368.54775807,"), 0.01f);

assertEquals(72036.854775807f, parseFloat("72036.854775807,"), 0.01f);

assertEquals(72036.854775807d, parseDouble("72036.854775807,"), 0.01f);

assertEquals(720368.54775807f, parseFloat("720368.547758075,"), 0.01f);

assertEquals(720368.54775807d, parseDouble("720368.547758075,"), 0.01f);

}

@Category(StreamingCategory.class)

public void test_streaming() throws IOException {

isStreaming = true;

test_positive_negative();

test_decimal_places();

}

private float parseFloat(String input) throws IOException {

if (isStreaming) {

return JsonIterator.parse(new ByteArrayInputStream(input.getBytes()), 2).readFloat();

} else {

return JsonIterator.parse(input).readFloat();

}

}

private double parseDouble(String input) throws IOException {

if (isStreaming) {

return JsonIterator.parse(new ByteArrayInputStream(input.getBytes()), 2).readDouble();

} else {

return JsonIterator.parse(input).readDouble();

}

}

}