2 files changed, 41 insertions, 0 deletions
diff --git a/test/jitter/jitcore.py b/test/jitter/jitcore.py
new file mode 100644
index 00000000..af697e49
--- /dev/null
+++ b/test/jitter/jitcore.py
@@ -0,0 +1,40 @@
+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 as te:
+        pass
+else:
+        raise Exception("Should see that 0x1ffffffffffffffff is to 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 as te:
+        pass
+else:
+        raise Exception("Should see that -0x1ffffffff is to big for EAX")
diff --git a/test/test_all.py b/test/test_all.py
index a8a0d599..6d4ee0a5 100755
--- a/test/test_all.py
+++ b/test/test_all.py
@@ -457,6 +457,7 @@ for i, test_args in enumerate(test_args):
 for script in ["jitload.py",
                "vm_mngr.py",
                "jit_options.py",
+               "jitcore.py",
                "test_post_instr.py",
                "bad_block.py",
                "jmp_out_mem.py",