X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=net.mograsim.logic.ui.am2900%2Ftest%2Fnet%2Fmograsim%2Flogic%2Fui%2Fam2900%2FTestUtil.java;h=937e566a807d2393cb5d0eb5f6899597e76ca755;hb=e4a201cb63e74fb7780dae482e2fc953bee58fa5;hp=08c7982e7276e3677b7c1e474b4b86ecbaa0a0af;hpb=443acaf4a6470adf66a73cf0443852ce3843ebe2;p=Mograsim.git

diff --git a/net.mograsim.logic.ui.am2900/test/net/mograsim/logic/ui/am2900/TestUtil.java b/net.mograsim.logic.ui.am2900/test/net/mograsim/logic/ui/am2900/TestUtil.java
index 08c7982e..937e566a 100644
--- a/net.mograsim.logic.ui.am2900/test/net/mograsim/logic/ui/am2900/TestUtil.java
+++ b/net.mograsim.logic.ui.am2900/test/net/mograsim/logic/ui/am2900/TestUtil.java
@@ -9,6 +9,8 @@ public final class TestUtil
 
 	/**
 	 * Transforms the last four bits of an int to a string that contains the binary ('1' and '0') representation of the 4 bits
+	 * 
+	 * @author Christian Femers
 	 */
 	public static String to4bitBin(int x)
 	{
@@ -19,4 +21,64 @@ public final class TestUtil
 		sb.append((x & 0b0001) == 0 ? '0' : '1');
 		return sb.toString();
 	}
+
+	/**
+	 * Transforms the given boolean to a string that contains the binary ('1' and '0') representation of the bit
+	 * 
+	 * @author Christian Femers
+	 */
+	public static String to1bitBin(boolean bitIsSet)
+	{
+		return bitIsSet ? "1" : "0";
+	}
+
+	/**
+	 * Transforms the given int to a string that contains the binary ('1' and '0') representation of the int. "0" is only returned when the
+	 * int is equal to zero.
+	 * 
+	 * @author Christian Femers
+	 */
+	public static String to1bitBin(int someInt)
+	{
+		return someInt != 0 ? "1" : "0";
+	}
+
+	/**
+	 * Transforms a 4 bit signed integer (-8 to 7) to a int representing the same number. (Adding leading 1-bits if the 4 bit int is
+	 * negative)
+	 * 
+	 * @author Christian Femers
+	 */
+	public static int signed4ToSigned32(int signed4bit)
+	{
+		if ((signed4bit & 0b1000) > 0)
+			return signed4bit | 0xFF_FF_FF_F0;
+		return signed4bit & 0x00_00_00_0F;
+	}
+
+	/**
+	 * Transforms a 16 bit signed integer (-32768 to 32767 - a short) to a int representing the same number. (Adding leading 1-bits if the
+	 * 16 bit int is negative)
+	 * 
+	 * @author Christian Femers
+	 */
+	public static int signed16ToSigned32(int signed16bit)
+	{
+		return (short) signed16bit;
+	}
+
+	/**
+	 * Transforms the last n bits of an int to a string that contains the binary ('1' and '0') representation of the n bits
+	 * 
+	 * @author Christian Femers
+	 */
+	public static String toNbitString(int x, int n)
+	{
+		StringBuilder sb = new StringBuilder(n);
+		for (int i = 0; i < n; i++)
+		{
+			sb.append((x >> i) & 1);
+		}
+		return sb.reverse().toString();
+	}
 }