net.mograsim.logic.ui.am2900/test/net/mograsim/logic/ui/am2900/Am2901Test.java

   1 package net.mograsim.logic.ui.am2900;\r
   2 \r
   3 import static net.mograsim.logic.ui.am2900.TestableAm2901.Am2901_Dest.*;\r
   4 import static net.mograsim.logic.ui.am2900.TestableAm2901.Am2901_Func.*;\r
   5 import static net.mograsim.logic.ui.am2900.TestableAm2901.Am2901_Src.*;\r
   6 import static org.junit.jupiter.api.Assertions.assertEquals;\r
   7 \r
   8 import org.junit.jupiter.api.BeforeEach;\r
   9 import org.junit.jupiter.api.Test;\r
  10 \r
  11 import net.mograsim.logic.ui.am2900.TestableAm2901.Result;\r
  12 \r
  13 public class Am2901Test\r
  14 {\r
  15         private TestableAm2901 am2901;\r
  16 \r
  17         @BeforeEach\r
  18         void initialize()\r
  19         {\r
  20                 createAndSetup();\r
  21                 setRegistersToZero();\r
  22         }\r
  23 \r
  24         @Test\r
  25         void testInit()\r
  26         {\r
  27                 assertEquals("0", am2901.getCarryOut());\r
  28                 assertEquals("0", am2901.getOverflow());\r
  29                 assertEquals("0", am2901.getSign());\r
  30                 assertEquals("1", am2901.getZero());\r
  31                 assertEquals("0000", am2901.getY());\r
  32                 assertEquals("0", am2901.getQ_0());\r
  33                 assertEquals("0", am2901.getQ_3());\r
  34                 assertEquals("0", am2901.getRAM_0());\r
  35                 assertEquals("0", am2901.getRAM_3());\r
  36         }\r
  37 \r
  38         void createAndSetup()\r
  39         {\r
  40                 am2901 = new TestableAm2901Impl();\r
  41                 am2901.setup();\r
  42         }\r
  43 \r
  44         void setRegistersToZero()\r
  45         {\r
  46                 setInputsToZero();\r
  47                 for (Regsiter r : Regsiter.values())\r
  48                 {\r
  49                         setRegisterToZero(r);\r
  50                 }\r
  51         }\r
  52 \r
  53         void setRegisterToZero(Regsiter r)\r
  54         {\r
  55                 System.out.println("Setting reg " + r + " to zero");\r
  56                 am2901.setD("0000");\r
  57                 am2901.setSrc(DZ);\r
  58                 am2901.setFunc(AND);\r
  59                 if (r == Regsiter.Q)\r
  60                 {\r
  61                         am2901.setDest(QREG);\r
  62                 } else\r
  63                 {\r
  64                         am2901.setReg_B(r.toBitString());\r
  65                         am2901.setDest(RAMF);\r
  66                 }\r
  67                 assertRunSuccess();\r
  68                 am2901.toogleClock();\r
  69                 assertRunSuccess();\r
  70                 am2901.toogleClock();\r
  71                 assertRunSuccess();\r
  72         }\r
  73 \r
  74         void setInputsToZero()\r
  75         {\r
  76                 am2901.setCarryIn("0");\r
  77                 am2901.setQ_0("0");\r
  78                 am2901.setQ_3("0");\r
  79                 am2901.setRAM_0("0");\r
  80                 am2901.setRAM_3("0");\r
  81                 am2901.setReg_A("0000");\r
  82                 am2901.setReg_B("0000");\r
  83                 am2901.setD("0000");\r
  84                 am2901.setSrc(AB);\r
  85                 am2901.setFunc(ADD);\r
  86                 am2901.setDest(QREG);\r
  87 //              am2901.setNotOutEnable("0"); TODO\r
  88                 assertRunSuccess();\r
  89         }\r
  90 \r
  91         void assertRunSuccess()\r
  92         {\r
  93                 assertEquals(Result.SUCCESS, am2901.run());\r
  94         }\r
  95 \r
  96         public enum Regsiter\r
  97         {\r
  98                 r0, r1, r2, r3, r4, r5, r6, r7, r8, r9, rA, rB, rC, rD, rE, rF, Q;\r
  99 \r
 100                 public String toBitString()\r
 101                 {\r
 102                         if (this.ordinal() > 0xF)\r
 103                                 throw new UnsupportedOperationException();\r
 104                         return TestUtil.to4bitBin(this.ordinal());\r
 105                 }\r
 106         }\r
 107 }\r