From ec45eb9b4499980cbfc6187d52cb8328b0ff37b0 Mon Sep 17 00:00:00 2001 From: ajay74984 <51405689+ajay74984@users.noreply.github.com> Date: Sat, 7 Mar 2020 15:21:12 +0100 Subject: [PATCH] java abstract number class --- .../AbstractNumberUnitTest.java | 52 +++++++++++++++++++ 1 file changed, 52 insertions(+) create mode 100644 java-numbers-3/src/test/java/com/baeldung/abstractnumber/AbstractNumberUnitTest.java diff --git a/java-numbers-3/src/test/java/com/baeldung/abstractnumber/AbstractNumberUnitTest.java b/java-numbers-3/src/test/java/com/baeldung/abstractnumber/AbstractNumberUnitTest.java new file mode 100644 index 0000000000..521f2d37a6 --- /dev/null +++ b/java-numbers-3/src/test/java/com/baeldung/abstractnumber/AbstractNumberUnitTest.java @@ -0,0 +1,52 @@ +package com.baeldung.abstractnumber; + +import static org.junit.Assert.assertEquals; + +import org.junit.Test; + +public class AbstractNumberUnitTest { + + private final static double DOUBLE_VALUE = 9999.999; + private final static float FLOAT_VALUE = 101.99F; + private final static long LONG_VALUE = 1000L; + private final static int INTEGER_VALUE = 100; + private final static short SHORT_VALUE = 127; + private final static byte BYTE_VALUE = 120; + + @Test + public void givenDoubleValue_whenShortValueUsed_thenShortValueReturned() { + Double doubleValue = Double.valueOf(DOUBLE_VALUE); + assertEquals(9999, doubleValue.shortValue()); + } + + @Test + public void givenFloatValue_whenByteValueUsed_thenByteValueReturned() { + Float floatValue = Float.valueOf(FLOAT_VALUE); + assertEquals(101, floatValue.byteValue()); + } + + @Test + public void givenLongValue_whenInitValueUsed_thenInitValueReturned() { + Long longValue = Long.valueOf(LONG_VALUE); + assertEquals(1000, longValue.intValue()); + } + + @Test + public void givenIntegerValue_whenLongValueUsed_thenLongValueReturned() { + Integer integerValue = Integer.valueOf(INTEGER_VALUE); + assertEquals(100, integerValue.longValue()); + } + + @Test + public void givenShortValue_whenFloatValueUsed_thenFloatValueReturned() { + Short shortValue = Short.valueOf(SHORT_VALUE); + assertEquals(127.0F, shortValue.floatValue(), 0); + } + + @Test + public void givenByteValue_whenDoubleValueUsed_thenDoubleValueReturned() { + Byte byteValue = Byte.valueOf(BYTE_VALUE); + assertEquals(120.0, byteValue.doubleValue(), 0); + } + +}