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Playing numbers

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This commit is contained in:
dieter 2015-05-22 12:47:28 +02:00
parent a9dd8e7b1d
commit 327c0e177e
1 changed files with 92 additions and 2 deletions
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94
JSONObjectTest.java
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@ -2,10 +2,10 @@ package org.json.junit;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
import java.io.*;
import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.*;
import org.json.*;
import org.junit.*;
@ -418,6 +418,91 @@ public class JSONObjectTest {
// improving unit tests left off here
@Test
public void stringToValueNumbersTest() {
// Check if library handles large or high precision numbers correctly
assertTrue( "0.2 should be a Double!",
JSONObject.stringToValue( "0.2" ) instanceof Double );
assertTrue( "Doubles should be Doubles, even when incorrectly converting floats!",
JSONObject.stringToValue( new Double( "0.2f" ).toString() ) instanceof Double );
assertTrue( "299792.457999999984 should be a BigDecimal!",
JSONObject.stringToValue( "299792.457999999984" ) instanceof BigDecimal );
assertTrue( "1 should be an Integer!",
JSONObject.stringToValue( "1" ) instanceof Integer );
assertTrue( "Integer.MAX_VALUE should still be an Integer!",
JSONObject.stringToValue( new Integer( Integer.MAX_VALUE ).toString() ) instanceof Integer );
assertTrue( "Large integers should be a Long!",
JSONObject.stringToValue( new Long( Long.sum( Integer.MAX_VALUE, 1 ) ).toString() ) instanceof Long );
assertTrue( "Long.MAX_VALUE should still be an Integer!",
JSONObject.stringToValue( new Long( Long.MAX_VALUE ).toString() ) instanceof Long );
assertTrue( "Really large integers should be a BigInteger!",
JSONObject.stringToValue(
new BigInteger( new Long( Long.MAX_VALUE ).toString() )
.add( BigInteger.ONE ).toString() ) instanceof BigInteger );
}
@Test
public void jsonValidNumberValuesNeitherLongNorIEE754Compatible() {
// Valid JSON Numbers, probably should return BigDecimal or BigInteger objects
String str =
"{"+
"\"someNumber\":299792.457999999984,"+
"\"largeNumber\":12345678901234567890,"+
"\"preciseNumber\":0.2000000000000000111,"+
"\"largeExponent\":-23.45e2327"+
"}";
JSONObject jsonObject = new JSONObject(str);
assertFalse( "someNumber certainly was not 299792.458!",
jsonObject.get( "someNumber" ).equals( new Double( "299792.458" ) ) );
assertTrue( "someNumber must be a number",
jsonObject.get( "someNumber" ) instanceof Number );
assertTrue( "largeNumber must be a number",
jsonObject.get( "largeNumber" ) instanceof Number );
assertTrue( "preciseNumber must be a number",
jsonObject.get( "preciseNumber" ) instanceof Number );
assertTrue( "largeExponent must be a number",
jsonObject.get( "largeExponent" ) instanceof Number );
}
@Test
public void jsonInvalidNumberValues() {
// Number-notations supported by Java and invalid as JSON
String str =
"{"+
"\"hexNumber\":-0x123,"+
"\"tooManyZeros\":00,"+
"\"negativeInfinite\":-Infinity,"+
"\"negativeNaN\":-NaN,"+
"\"negativeFraction\":-.01,"+
"\"tooManyZerosFraction\":00.001,"+
"\"negativeHexFloat\":-0x1.fffp1,"+
"\"hexFloat\":0x1.0P-1074,"+
"\"floatIdentifier\":0.1f,"+
"\"doubleIdentifier\":0.1d,"+
"}";
JSONObject jsonObject = new JSONObject(str);
assertFalse( "hexNumber must not be a number (should throw exception!?)",
jsonObject.get( "hexNumber" ) instanceof Number );
assertFalse( "tooManyZeros must not be a number (should throw exception!?)",
jsonObject.get( "tooManyZeros" ) instanceof Number );
assertFalse( "negativeInfinite must not be a number (should throw exception!?)",
jsonObject.get( "negativeInfinite" ) instanceof Number );
assertFalse( "negativeNaN must not be a number (should throw exception!?)",
jsonObject.get( "negativeNaN" ) instanceof Number );
assertFalse( "tooManyZerosFraction must not be a number (should throw exception!?)",
jsonObject.get( "tooManyZerosFraction" ) instanceof Number );
assertFalse( "negativeFraction must not be a number (should throw exception!?)",
jsonObject.get( "negativeFraction" ) instanceof Number );
assertFalse( "negativeHexFloat must not be a number (should throw exception!?)",
jsonObject.get( "negativeHexFloat" ) instanceof Number );
assertFalse( "hexFloat must not be a number (should throw exception!?)",
jsonObject.get( "hexFloat" ) instanceof Number );
assertFalse( "floatIdentifier must not be a number (should throw exception!?)",
jsonObject.get( "floatIdentifier" ) instanceof Number );
assertFalse( "doubleIdentifier must not be a number (should throw exception!?)",
jsonObject.get( "doubleIdentifier" ) instanceof Number );
}
@Test
public void jsonObjectNonAndWrongValues() {
String str =
@ -850,6 +935,11 @@ public class JSONObjectTest {
assertTrue("Integer wrap() incorrect",
in == JSONObject.wrap(in));
// wrap(BigDecimal) returns BigDecimal
BigDecimal bd = BigDecimal.ONE;
assertTrue("BigDecimal wrap() incorrect",
bd == JSONObject.wrap(bd));
// wrap JSONObject returns JSONObject
String jsonObjectStr =
"{"+