1 files changed, 47 insertions, 0 deletions
diff --git a/test/jitter/jitcore.py b/test/jitter/jitcore.py
new file mode 100644
index 00000000..75360542
--- /dev/null
+++ b/test/jitter/jitcore.py
@@ -0,0 +1,47 @@
+import sys
+
+from miasm.analysis.machine import Machine
+machine = Machine("x86_64")
+jitter = machine.jitter(sys.argv[1])
+
+jitter.cpu.RAX = 16565615892967251934
+assert jitter.cpu.RAX == 16565615892967251934
+
+jitter.cpu.RAX = -1
+assert jitter.cpu.RAX == 0xffffffffffffffff
+
+jitter.cpu.RAX = -2
+assert jitter.cpu.RAX == 0xfffffffffffffffe
+
+jitter.cpu.EAX = -2
+assert jitter.cpu.EAX == 0xfffffffe
+
+jitter.cpu.RAX = -0xffffffffffffffff
+assert jitter.cpu.RAX == 1
+
+try:
+        jitter.cpu.RAX = 0x1ffffffffffffffff
+except TypeError:
+        pass
+else:
+        raise Exception("Should see that 0x1ffffffffffffffff is too big for RAX")
+
+try:
+        jitter.cpu.RAX = 0x10000000000000000
+except TypeError:
+        pass
+else:
+        raise Exception("Should see that 0x10000000000000000 is too big for RAX")
+
+jitter.cpu.EAX = -0xefffffff
+assert jitter.cpu.EAX == 0x10000001
+
+jitter.cpu.EAX = -0xFFFFFFFF
+assert jitter.cpu.EAX == 1
+
+try:
+        jitter.cpu.EAX = -0x1ffffffff
+except TypeError:
+        pass
+else:
+        raise Exception("Should see that -0x1ffffffff is too big for EAX")