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Java Source Code / Java Documentation » Apache Harmony Java SE » org package » org.apache.harmony.tests.java.math 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.harmony.tests.java.math.BigIntegerConvertTest

BigIntegerConvertTest
public class BigIntegerConvertTest extends TestCase (Code)
Class: java.math.BigInteger Methods: intValue, longValue, toByteArray(), valueOf(long val), floatValue(), doubleValue()




Method Summary
public  voidtestDoubleValueNegMantissaIsZero()
     Convert a positive number to a double value.
public  voidtestDoubleValueNegMaxValue()
     Convert a negative number to a double value.
public  voidtestDoubleValueNegNotRounded()
     Convert a positive number to a double value.
public  voidtestDoubleValueNegRounded1()
     Convert a positive number to a double value.
public  voidtestDoubleValueNegRounded2()
     Convert a positive number to a double value.
public  voidtestDoubleValueNegative1()
     Convert a negative number to a double value.
public  voidtestDoubleValueNegative2()
     Convert a negative number to a double value.
public  voidtestDoubleValueNegativeInfinity1()
     Convert a negative number to a double value.
public  voidtestDoubleValueNegativeInfinity2()
     Convert a negative number to a double value.
public  voidtestDoubleValuePosMantissaIsZero()
     Convert a positive number to a double value.
public  voidtestDoubleValuePosMaxValue()
     Convert a positive number to a double value.
public  voidtestDoubleValuePosNotRounded()
     Convert a positive number to a double value.
public  voidtestDoubleValuePosRounded1()
     Convert a positive number to a double value.
public  voidtestDoubleValuePosRounded2()
     Convert a positive number to a double value.
public  voidtestDoubleValuePositive1()
     Convert a positive number to a double value.
public  voidtestDoubleValuePositive2()
     Convert a positive number to a double value.
public  voidtestDoubleValuePositiveInfinity1()
     Convert a positive number to a double value.
public  voidtestDoubleValuePositiveInfinity2()
     Convert a positive number to a double value.
public  voidtestDoubleValueZero()
     Return the double value of ZERO.
public  voidtestFloatValueBug2482()
     Convert a negative number to a float value.
public  voidtestFloatValueNegMantissaIsZero()
     Convert a positive number to a double value.
public  voidtestFloatValueNegMaxValue()
     Convert a negative number to a float value.
public  voidtestFloatValueNegNotRounded()
     Convert a positive number to a float value.
public  voidtestFloatValueNegRounded1()
     Convert a positive number to a float value.
public  voidtestFloatValueNegRounded2()
     Convert a positive number to a float value.
public  voidtestFloatValueNegative1()
     Convert a negative number to a float value.
public  voidtestFloatValueNegative2()
     Convert a negative number to a doufloatble value.
public  voidtestFloatValueNegativeInfinity1()
     Convert a negative number to a float value.
public  voidtestFloatValueNegativeInfinity2()
     Convert a negative number to a float value.
public  voidtestFloatValuePosMantissaIsZero()
     Convert a positive number to a float value.
public  voidtestFloatValuePosMaxValue()
     Convert a positive number to a float value.
public  voidtestFloatValuePosNotRounded()
     Convert a positive number to a float value.
public  voidtestFloatValuePosRounded1()
     Convert a positive number to a float value.
public  voidtestFloatValuePosRounded2()
     Convert a positive number to a float value.
public  voidtestFloatValuePositive1()
     Convert a positive number to a float value.
public  voidtestFloatValuePositive2()
     Convert a positive number to a float value.
public  voidtestFloatValuePositiveInfinity1()
     Convert a positive number to a float value.
public  voidtestFloatValuePositiveInfinity2()
     Convert a positive number to a float value.
public  voidtestFloatValueZero()
     Return the float value of ZERO.
public  voidtestIntValueNegative1()
     Convert a negative BigInteger to an integer value.
public  voidtestIntValueNegative2()
     Convert a negative BigInteger to an integer value.
public  voidtestIntValueNegative3()
     Convert a negative BigInteger to an integer value.
public  voidtestIntValuePositive1()
     Convert a positive BigInteger to an integer value.
public  voidtestIntValuePositive2()
     Convert a positive BigInteger to an integer value.
public  voidtestIntValuePositive3()
     Convert a positive BigInteger to an integer value.
public  voidtestLongValueNegative1()
     Convert a number to a negative long value The BigInteger is longer than int.
public  voidtestLongValueNegative2()
     Convert a number to a negative long value The number fits in a long.
public  voidtestLongValuePositive1()
     Convert a BigInteger to a positive long value The BigInteger is longer than int.
public  voidtestLongValuePositive2()
     Convert a number to a positive long value The number fits in a long.
public  voidtestValueOfIntegerMax()
     valueOf (long val): convert Integer.MAX_VALUE to a BigInteger.
public  voidtestValueOfIntegerMin()
     valueOf (long val): convert Integer.MIN_VALUE to a BigInteger.
public  voidtestValueOfLongMax()
     valueOf (long val): convert Long.MAX_VALUE to a BigInteger.
public  voidtestValueOfLongMin()
     valueOf (long val): convert Long.MIN_VALUE to a BigInteger.
public  voidtestValueOfLongNegative1()
     valueOf (long val): convert a negative long value to a BigInteger.
public  voidtestValueOfLongNegative2()
     valueOf (long val): convert a negative long value to a BigInteger.
public  voidtestValueOfLongPositive1()
     valueOf (long val): convert a positive long value to a BigInteger.
public  voidtestValueOfLongPositive2()
     valueOf (long val): convert a positive long value to a BigInteger.
public  voidtestValueOfLongZero()
     valueOf (long val): convert a zero long value to a BigInteger.



Method Detail
testDoubleValueNegMantissaIsZero
public void testDoubleValueNegMantissaIsZero()(Code)
Convert a positive number to a double value. The exponent is 1023 and the mantissa is all 0s but the 54th bit (implicit) is 1.


testDoubleValueNegMaxValue
public void testDoubleValueNegMaxValue()(Code)
Convert a negative number to a double value. The exponent is 1023 and the mantissa is all 1s. The result is -Double.MAX_VALUE.


testDoubleValueNegNotRounded
public void testDoubleValueNegNotRounded()(Code)
Convert a positive number to a double value. Rounding is NOT needed.


testDoubleValueNegRounded1
public void testDoubleValueNegRounded1()(Code)
Convert a positive number to a double value. Rounding is needed.


testDoubleValueNegRounded2
public void testDoubleValueNegRounded2()(Code)
Convert a positive number to a double value. Rounding is needed. The rounding bit is 1 and the next bit to the left is 0 but some of dropped bits are 1s.


testDoubleValueNegative1
public void testDoubleValueNegative1()(Code)
Convert a negative number to a double value. The number's bit length is less than 64 bits.


testDoubleValueNegative2
public void testDoubleValueNegative2()(Code)
Convert a negative number to a double value. The number's bit length is inside [63, 1024].


testDoubleValueNegativeInfinity1
public void testDoubleValueNegativeInfinity1()(Code)
Convert a negative number to a double value. The number's bit length is greater than 1024.


testDoubleValueNegativeInfinity2
public void testDoubleValueNegativeInfinity2()(Code)
Convert a negative number to a double value. The exponent is 1023 and the mantissa is all 0s. The rounding bit is 0. The result is Double.NEGATIVE_INFINITY.


testDoubleValuePosMantissaIsZero
public void testDoubleValuePosMantissaIsZero()(Code)
Convert a positive number to a double value. The exponent is 1023 and the mantissa is all 0s but the 54th bit (implicit) is 1.


testDoubleValuePosMaxValue
public void testDoubleValuePosMaxValue()(Code)
Convert a positive number to a double value. The exponent is 1023 and the mantissa is all 1s. The rounding bit is 0. The result is Double.MAX_VALUE.


testDoubleValuePosNotRounded
public void testDoubleValuePosNotRounded()(Code)
Convert a positive number to a double value. Rounding is NOT needed.


testDoubleValuePosRounded1
public void testDoubleValuePosRounded1()(Code)
Convert a positive number to a double value. Rounding is needed. The rounding bit is 1 and the next bit to the left is 1.


testDoubleValuePosRounded2
public void testDoubleValuePosRounded2()(Code)
Convert a positive number to a double value. Rounding is needed. The rounding bit is 1 and the next bit to the left is 0 but some of dropped bits are 1s.


testDoubleValuePositive1
public void testDoubleValuePositive1()(Code)
Convert a positive number to a double value. The number's length is less than 64 bits.


testDoubleValuePositive2
public void testDoubleValuePositive2()(Code)
Convert a positive number to a double value. The number's bit length is inside [63, 1024].


testDoubleValuePositiveInfinity1
public void testDoubleValuePositiveInfinity1()(Code)
Convert a positive number to a double value. The exponent is 1023 and the mantissa is all 1s. The rounding bit is 1. The result is Double.POSITIVE_INFINITY.


testDoubleValuePositiveInfinity2
public void testDoubleValuePositiveInfinity2()(Code)
Convert a positive number to a double value. The number's bit length is greater than 1024.


testDoubleValueZero
public void testDoubleValueZero()(Code)
Return the double value of ZERO.


testFloatValueBug2482
public void testFloatValueBug2482()(Code)
Convert a negative number to a float value. The number's bit length is less than 32 bits.


testFloatValueNegMantissaIsZero
public void testFloatValueNegMantissaIsZero()(Code)
Convert a positive number to a double value. The exponent is 1023 and the mantissa is all 0s but the 54th bit (implicit) is 1.


testFloatValueNegMaxValue
public void testFloatValueNegMaxValue()(Code)
Convert a negative number to a float value. The exponent is 1023 and the mantissa is all 1s. The rounding bit is 0. The result is -Float.MAX_VALUE.


testFloatValueNegNotRounded
public void testFloatValueNegNotRounded()(Code)
Convert a positive number to a float value. Rounding is NOT needed.


testFloatValueNegRounded1
public void testFloatValueNegRounded1()(Code)
Convert a positive number to a float value. Rounding is needed.


testFloatValueNegRounded2
public void testFloatValueNegRounded2()(Code)
Convert a positive number to a float value. Rounding is needed. The rounding bit is 1 and the next bit to the left is 0 but some of dropped bits are 1s.


testFloatValueNegative1
public void testFloatValueNegative1()(Code)
Convert a negative number to a float value. The number's bit length is less than 32 bits.


testFloatValueNegative2
public void testFloatValueNegative2()(Code)
Convert a negative number to a doufloatble value. The number's bit length is inside [63, 1024].


testFloatValueNegativeInfinity1
public void testFloatValueNegativeInfinity1()(Code)
Convert a negative number to a float value. The number's bit length is greater than 127.


testFloatValueNegativeInfinity2
public void testFloatValueNegativeInfinity2()(Code)
Convert a negative number to a float value. The exponent is 1023 and the mantissa is all 0s. The rounding bit is 0. The result is Float.NEGATIVE_INFINITY.


testFloatValuePosMantissaIsZero
public void testFloatValuePosMantissaIsZero()(Code)
Convert a positive number to a float value. The exponent is 1023 and the mantissa is all 0s but the 54th bit (implicit) is 1.


testFloatValuePosMaxValue
public void testFloatValuePosMaxValue()(Code)
Convert a positive number to a float value. The exponent is 1023 and the mantissa is all 1s. The rounding bit is 0. The result is Float.MAX_VALUE.


testFloatValuePosNotRounded
public void testFloatValuePosNotRounded()(Code)
Convert a positive number to a float value. Rounding is NOT needed.


testFloatValuePosRounded1
public void testFloatValuePosRounded1()(Code)
Convert a positive number to a float value. Rounding is needed. The rounding bit is 1 and the next bit to the left is 1.


testFloatValuePosRounded2
public void testFloatValuePosRounded2()(Code)
Convert a positive number to a float value. Rounding is needed. The rounding bit is 1 and the next bit to the left is 0 but some of dropped bits are 1s.


testFloatValuePositive1
public void testFloatValuePositive1()(Code)
Convert a positive number to a float value. The number's length is less than 32 bits.


testFloatValuePositive2
public void testFloatValuePositive2()(Code)
Convert a positive number to a float value. The number's bit length is inside [32, 127].


testFloatValuePositiveInfinity1
public void testFloatValuePositiveInfinity1()(Code)
Convert a positive number to a float value. The exponent is 1023 and the mantissa is all 1s. The rounding bit is 1. The result is Float.POSITIVE_INFINITY.


testFloatValuePositiveInfinity2
public void testFloatValuePositiveInfinity2()(Code)
Convert a positive number to a float value. The number's bit length is greater than 127.


testFloatValueZero
public void testFloatValueZero()(Code)
Return the float value of ZERO.


testIntValueNegative1
public void testIntValueNegative1()(Code)
Convert a negative BigInteger to an integer value. The low digit is negative.


testIntValueNegative2
public void testIntValueNegative2()(Code)
Convert a negative BigInteger to an integer value. The low digit is negative.


testIntValueNegative3
public void testIntValueNegative3()(Code)
Convert a negative BigInteger to an integer value. The low digit is positive.


testIntValuePositive1
public void testIntValuePositive1()(Code)
Convert a positive BigInteger to an integer value. The low digit is positive


testIntValuePositive2
public void testIntValuePositive2()(Code)
Convert a positive BigInteger to an integer value. The low digit is positive


testIntValuePositive3
public void testIntValuePositive3()(Code)
Convert a positive BigInteger to an integer value. The low digit is negative.


testLongValueNegative1
public void testLongValueNegative1()(Code)
Convert a number to a negative long value The BigInteger is longer than int.


testLongValueNegative2
public void testLongValueNegative2()(Code)
Convert a number to a negative long value The number fits in a long.


testLongValuePositive1
public void testLongValuePositive1()(Code)
Convert a BigInteger to a positive long value The BigInteger is longer than int.


testLongValuePositive2
public void testLongValuePositive2()(Code)
Convert a number to a positive long value The number fits in a long.


testValueOfIntegerMax
public void testValueOfIntegerMax()(Code)
valueOf (long val): convert Integer.MAX_VALUE to a BigInteger.


testValueOfIntegerMin
public void testValueOfIntegerMin()(Code)
valueOf (long val): convert Integer.MIN_VALUE to a BigInteger.


testValueOfLongMax
public void testValueOfLongMax()(Code)
valueOf (long val): convert Long.MAX_VALUE to a BigInteger.


testValueOfLongMin
public void testValueOfLongMin()(Code)
valueOf (long val): convert Long.MIN_VALUE to a BigInteger.


testValueOfLongNegative1
public void testValueOfLongNegative1()(Code)
valueOf (long val): convert a negative long value to a BigInteger.


testValueOfLongNegative2
public void testValueOfLongNegative2()(Code)
valueOf (long val): convert a negative long value to a BigInteger. The long value fits in integer.


testValueOfLongPositive1
public void testValueOfLongPositive1()(Code)
valueOf (long val): convert a positive long value to a BigInteger.


testValueOfLongPositive2
public void testValueOfLongPositive2()(Code)
valueOf (long val): convert a positive long value to a BigInteger. The long value fits in integer.


testValueOfLongZero
public void testValueOfLongZero()(Code)
valueOf (long val): convert a zero long value to a BigInteger.


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