Examples of java.math.BigDecimal.unscaledValue()

java.math.BigDecimal.unscaledValue()
Returns a {@code BigInteger} whose value is the unscaledvalue of this {@code BigDecimal}. (Computes (this 10^this.scale()).) @return the unscaled value of this {@code BigDecimal}. @since 1.2

    public void testConstrDouble01() {
        double a = 1.E-1;
        int aScale = 55;
        BigInteger bA = new BigInteger("1000000000000000055511151231257827021181583404541015625");
        BigDecimal aNumber = new BigDecimal(a);
        assertEquals("incorrect value", bA, aNumber.unscaledValue());
        assertEquals("incorrect scale", aScale, aNumber.scale());
    }


    /**
     * new BigDecimal(0.555)

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    public void testConstrDouble02() {
        double a = 0.555;
        int aScale = 53;
        BigInteger bA = new BigInteger("55500000000000004884981308350688777863979339599609375");
        BigDecimal aNumber = new BigDecimal(a);
        assertEquals("incorrect value", bA, aNumber.unscaledValue());
        assertEquals("incorrect scale", aScale, aNumber.scale());
    }


    /**
     * new BigDecimal(-0.1)

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    public void testConstrDoubleMinus01() {
        double a = -1.E-1;
        int aScale = 55;
        BigInteger bA = new BigInteger("-1000000000000000055511151231257827021181583404541015625");
        BigDecimal aNumber = new BigDecimal(a);
        assertEquals("incorrect value", bA, aNumber.unscaledValue());
        assertEquals("incorrect scale", aScale, aNumber.scale());
    }


    /**
     * new BigDecimal(int value)

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    public void testConstrInt() {
        int a = 732546982;
        String res = "732546982";
        int resScale = 0;
        BigDecimal result = new BigDecimal(a);
        assertEquals("incorrect value", res, result.unscaledValue().toString());
        assertEquals("incorrect scale", resScale, result.scale());
    }


    /**
     * new BigDecimal(int, MathContext)

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        RoundingMode rm = RoundingMode.CEILING;
        MathContext mc = new MathContext(precision, rm);
        String res = "732546982";
        int resScale = 0;
        BigDecimal result = new BigDecimal(a, mc);
        assertEquals("incorrect value", res, result.unscaledValue().toString());
        assertEquals("incorrect scale", resScale, result.scale());
    }


    /**
     * new BigDecimal(long value)

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    public void testConstrLong() {
        long a = 4576578677732546982L;
        String res = "4576578677732546982";
        int resScale = 0;
        BigDecimal result = new BigDecimal(a);
        assertEquals("incorrect value", res, result.unscaledValue().toString());
        assertEquals("incorrect scale", resScale, result.scale());
    }


    /**
     * new BigDecimal(long, MathContext)

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        RoundingMode rm = RoundingMode.CEILING;
        MathContext mc = new MathContext(precision, rm);
        String res = "45766";
        int resScale = -14;
        BigDecimal result = new BigDecimal(a, mc);
        assertEquals("incorrect value", res, result.unscaledValue().toString());
        assertEquals("incorrect scale", resScale, result.scale());
    }


    /**
     * new BigDecimal(double value) when value is denormalized

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    public void testConstrDoubleDenormalized() {
        double a = 2.274341322658976E-309;
        int aScale = 1073;
        BigInteger bA = new BigInteger("227434132265897633950269241702666687639731047124115603942986140264569528085692462493371029187342478828091760934014851133733918639492582043963243759464684978401240614084312038547315281016804838374623558434472007664427140169018817050565150914041833284370702366055678057809362286455237716100382057360123091641959140448783514464639706721250400288267372238950016114583259228262046633530468551311769574111763316146065958042194569102063373243372766692713192728878701004405568459288708477607744497502929764155046100964958011009313090462293046650352146796805866786767887226278836423536035611825593567576424943331337401071583562754098901412372708947790843318760718495117047155597276492717187936854356663665005157041552436478744491526494952982062613955349661409854888916015625");
        BigDecimal aNumber = new BigDecimal(a);
        assertEquals("incorrect value", bA, aNumber.unscaledValue());
        assertEquals("incorrect scale", aScale, aNumber.scale());
    }
     
    /**
     * new BigDecimal(String value)

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    public void testConstrStringExponentIntegerMax() {
        String a = "-238768.787678287e2147483647";
        int aScale = -2147483638;
        BigInteger bA = new BigInteger("-238768787678287");
        BigDecimal aNumber = new BigDecimal(a);
        assertEquals("incorrect value", bA, aNumber.unscaledValue());
        assertEquals("incorrect scale", aScale, aNumber.scale());
    }


    /**
     * new BigDecimal(String value)

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      public void testConstrStringWithoutExpPos1() {
        String a = "732546982374982347892379283571094797.287346782359284756";
        int aScale = 18;
        BigInteger bA = new BigInteger("732546982374982347892379283571094797287346782359284756");
        BigDecimal aNumber = new BigDecimal(a);
        assertEquals("incorrect value", bA, aNumber.unscaledValue());
        assertEquals("incorrect scale", aScale, aNumber.scale());
    }


    /**
     * new BigDecimal(String value); value does not contain exponent

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