add buffer tests

Author: v923z

tests/common/buffer.py

@@ -0,0 +1,16 @@
+try:
+    import ulab as np
+except:
+    import numpy as np
+
+def print_as_buffer(a):
+    print(len(memoryview(a)), list(memoryview(a)))
+print_as_buffer(np.ones(3))
+print_as_buffer(np.zeros(3))
+print_as_buffer(np.eye(4))
+print_as_buffer(np.ones(1, dtype=np.int8))
+print_as_buffer(np.ones(2, dtype=np.uint8))
+print_as_buffer(np.ones(3, dtype=np.int16))
+print_as_buffer(np.ones(4, dtype=np.uint16))
+print_as_buffer(np.ones(5, dtype=np.float))
+print_as_buffer(np.linspace(0, 1, 9))

tests/common/buffer.py.exp

@@ -0,0 +1,9 @@
+3 [1.0, 1.0, 1.0]
+3 [0.0, 0.0, 0.0]
+16 [1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0]
+1 [1]
+2 [1, 1]
+3 [1, 1, 1]
+4 [1, 1, 1, 1]
+5 [1.0, 1.0, 1.0, 1.0, 1.0]
+9 [0.0, 0.125, 0.25, 0.375, 0.5, 0.625, 0.75, 0.875, 1.0]