java/src/test/java/com/jsoniter/TestFloat.java at master · sandy-e/java · GitHub

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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;

import java.math.BigDecimal;

public class TestFloat extends TestCase {

private boolean isStreaming;

public void test_positive_negative() throws IOException {

// positive

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

assertEquals(729212.0233f, parseFloat("729212.0233,"));

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

assertEquals(729212.0233d, parseDouble("729212.0233,"));

// 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(Long.MIN_VALUE, parseDouble("-9223372036854775808,"), 0.01f);

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

assertEquals(-9923372036854775808f, parseFloat("-9923372036854775808,"), 0.01f);

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

assertEquals(-9923372036854775808d, parseDouble("-9923372036854775808,"), 0.01f);

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

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

assertEquals(720368.54775807d, parseDouble("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);

}

public void test_combination_of_dot_and_exponent() throws IOException {

double v = JsonIterator.parse("8.37377E9").readFloat();

assertEquals(Double.valueOf("8.37377E9"), v, 1000d);

}

@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();

}

public void testBigDecimal() {

BigDecimal number = JsonIterator.deserialize("100.1", BigDecimal.class);

assertEquals(new BigDecimal("100.1"), number);

}

public void testChooseDouble() {

Object number = JsonIterator.deserialize("1.1", Object.class);

assertEquals(1.1, number);

number = JsonIterator.deserialize("1.0", Object.class);

assertEquals(1.0, number);

}

public void testInfinity() {

assertTrue(JsonIterator.deserialize("\"-infinity\"", Double.class) == Double.NEGATIVE_INFINITY);

assertTrue(JsonIterator.deserialize("\"-infinity\"", Float.class) == Float.NEGATIVE_INFINITY);

assertTrue(JsonIterator.deserialize("\"infinity\"", Double.class) == Double.POSITIVE_INFINITY);

assertTrue(JsonIterator.deserialize("\"infinity\"", Float.class) == Float.POSITIVE_INFINITY);

}

java/src/test/java/com/jsoniter/TestFloat.java at master · sandy-e/java · GitHub

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