[pypy-commit] lang-smalltalk default: added first rpython bitblt test

[lwassermann]

Author: Lars Wassermann <lars.wassermann at gmail.com>
Branch: 
Changeset: r501:e98733626cd9
Date: 2013-07-16 17:04 +0200
http://bitbucket.org/pypy/lang-smalltalk/changeset/e98733626cd9/

Log:	added first rpython bitblt test

diff --git a/spyvm/test/test_bitblt.py b/spyvm/test/test_bitblt.py
new file mode 100644
--- /dev/null
+++ b/spyvm/test/test_bitblt.py
@@ -0,0 +1,78 @@
+from spyvm import model, shadow, constants, interpreter, objspace
+
+space = objspace.ObjSpace()
+
+# copy from test_miniimage
+def w(any):
+    # XXX could put this on the space?
+    if any is None:
+        return space.w_nil
+    if isinstance(any, str):
+        # assume never have strings of length 1
+        if len(any) == 1:
+            return space.wrap_chr(any)
+        else:
+            return space.wrap_string(any)
+    if isinstance(any, bool):
+        return space.wrap_bool(any)
+    if isinstance(any, int):
+        return space.wrap_int(any)
+    if isinstance(any, float):
+        return space.wrap_float(any)
+    else:
+        raise Exception
+
+def make_form(bits, width, height, depth, o_x=0, o_y=0):
+    w_f = model.W_PointersObject(space, space.w_Array, 5)
+    w_f.store(space, 0, model.W_WordsObject(space, space.w_Array, len(bits)))
+    w_f.fetch(space, 0).words = bits
+    w_f.store(space, 1, w(width))
+    w_f.store(space, 2, w(height))
+    w_f.store(space, 3, w(depth))
+    w_f.store(space, 4, model.W_PointersObject(space, space.w_Point, 2))
+    w_f.fetch(space, 4).store(space, 0, w(o_x))
+    w_f.fetch(space, 4).store(space, 1, w(o_y))
+    return w_f
+
+def test_bitBlt_values():
+
+    w_bb = model.W_PointersObject(space, space.w_Array, 15)
+    w_bb.store(space, 0, make_form([], 1230, 20, 1))
+    w_bb.store(space, 1, w_bb.fetch(space, 0))
+
+    w_bb.store(space, 2, space.w_nil)
+    w_bb.store(space, 3, w(7))     # combination rule
+    w_bb.store(space, 4, w(1))     # dest x
+    w_bb.store(space, 5, w(0))     # dest y
+    w_bb.store(space, 6, w(1220))  # width
+    w_bb.store(space, 7, w(15))    # height
+    w_bb.store(space, 8, w(0))     # source x
+    w_bb.store(space, 9, w(0))     # source y
+    w_bb.store(space, 10, w(0))    # clip x
+    w_bb.store(space, 11, w(0))    # clip y
+    w_bb.store(space, 12, w(1220)) # clip width
+    w_bb.store(space, 13, w(15))   # clip height
+    w_bb.store(space, 14, model.W_PointersObject(space, space.w_Array, 5)) # color map
+
+    s_bb = w_bb.as_bitblt_get_shadow(space)
+    s_bb.clip_range()
+    assert not (s_bb.w <= 0 or s_bb.h <= 0)
+    s_bb.compute_masks()
+    s_bb.check_overlap()
+    s_bb.calculate_offsets()
+
+    assert s_bb.dest_x == 1
+    assert s_bb.dest_y == 0
+    assert s_bb.sx == 1218
+    assert s_bb.sy == 0
+    assert s_bb.dx == 1219
+    assert s_bb.dy == 0
+    assert s_bb.w == 1219
+    assert s_bb.h == 15
+    assert s_bb.h_dir == -1
+    assert s_bb.v_dir == 1
+    assert s_bb.source_delta == 79
+    assert s_bb.dest_delta == 78
+    assert s_bb.skew == 31
+    assert s_bb.source_index == 38
+    assert s_bb.dest_index == 38
\ No newline at end of file