Reworked unit tests for machine and renamed test_programs directory

test/riscv_instructions/boolean_logic/Makefile

@@ -0,0 +1,9 @@
+TOPDIR = ../..
+include $(TOPDIR)/Makefile.tests
+
+dumps: comparisons.dump if.dump switch.dump
+
+tests: comparisons.guac if.guac switch.guac
+
+# Dependances
+$(PROGRAMS): % : $(USERLIB)/sys.o $(USERLIB)/libnachos.o %.o

test/riscv_instructions/boolean_logic/comparisons.c

@@ -0,0 +1,15 @@
+int main() {
+    int x = 0;
+    int y = 1;
+    while (x <= y) {
+        if (x > y) {
+            x += 1;
+        } else if (x == y) {
+            x += y;
+        } else if (x < y) {
+            y += 1;
+        } else {
+            return 0;
+        }
+    }
+}

test/riscv_instructions/boolean_logic/if.c

@@ -0,0 +1,10 @@
+int main() {
+    int x = 1;
+    if (x == 1 && x > 0) {
+        x = 2;
+    } else if (x || x == 0 ) {
+        x = 3;
+    } else {
+        x = 0;
+    }
+}

test/riscv_instructions/boolean_logic/new_comparisons.c

@@ -0,0 +1,17 @@
+int main() {
+    int x = 0;
+    int y = 1;
+    while (x <= y) {
+        if (x > y) {
+            y += 1;
+        }
+        if (x == y) {
+            x += y;
+        }
+        if (x < y) {
+            x += 1;
+        } else {
+            return 0;
+        }
+    }
+}

test/riscv_instructions/boolean_logic/switch.c

@@ -0,0 +1,7 @@
+int main() {
+    int x = 0;
+    switch(x) {
+        case 1: x = 1; break;
+        default: return 0;
+    }
+}