tests/extmod: Add some uctypes tests to improve coverage of that module.

dpgeorge · dpgeorge · commit d35c6ffc84e9 · 2017-12-19T16:48:41.000+11:00
diff --git a/tests/extmod/uctypes_bytearray.py b/tests/extmod/uctypes_bytearray.py
@@ -17,3 +17,6 @@
 print(S.arr)
 # But not INT8, because value range is different
 print(type(S.arr2))
+
+# convert to buffer
+print(bytearray(S))
diff --git a/tests/extmod/uctypes_bytearray.py.exp b/tests/extmod/uctypes_bytearray.py.exp
@@ -1,2 +1,3 @@
 bytearray(b'01')
 <class 'struct'>
+bytearray(b'0123')
diff --git a/tests/extmod/uctypes_byteat.py b/tests/extmod/uctypes_byteat.py
@@ -0,0 +1,10 @@
+try:
+    import uctypes
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+data = bytearray(b'01234567')
+
+print(uctypes.bytes_at(uctypes.addressof(data), 4)) 
+print(uctypes.bytearray_at(uctypes.addressof(data), 4)) 
diff --git a/tests/extmod/uctypes_byteat.py.exp b/tests/extmod/uctypes_byteat.py.exp
@@ -0,0 +1,2 @@
+b'0123'
+bytearray(b'0123')
diff --git a/tests/extmod/uctypes_error.py b/tests/extmod/uctypes_error.py
@@ -0,0 +1,37 @@
+# test general errors with uctypes
+
+try:
+    import uctypes
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+data = bytearray(b"01234567")
+
+# del subscr not supported
+S = uctypes.struct(uctypes.addressof(data), {}) 
+try:
+    del S[0]
+except TypeError:
+    print('TypeError')
+
+# list is an invalid descriptor
+S = uctypes.struct(uctypes.addressof(data), []) 
+try:
+    S.x 
+except TypeError:
+    print('TypeError')
+
+# can't access attribute with invalid descriptor
+S = uctypes.struct(uctypes.addressof(data), {'x':[]})
+try:
+    S.x 
+except TypeError:
+    print('TypeError')
+
+# can't assign to aggregate
+S = uctypes.struct(uctypes.addressof(data), {'x':(uctypes.ARRAY | 0, uctypes.INT8 | 2)})
+try:
+    S.x = 1 
+except TypeError:
+    print('TypeError')
diff --git a/tests/extmod/uctypes_error.py.exp b/tests/extmod/uctypes_error.py.exp
@@ -0,0 +1,4 @@
+TypeError
+TypeError
+TypeError
+TypeError
diff --git a/tests/extmod/uctypes_sizeof.py b/tests/extmod/uctypes_sizeof.py
@@ -40,3 +40,8 @@
 print(uctypes.sizeof(S.sub))
 assert uctypes.sizeof(S.sub) == 1
 
+# invalid descriptor
+try:
+    print(uctypes.sizeof([]))
+except TypeError:
+    print("TypeError")
diff --git a/tests/extmod/uctypes_sizeof.py.exp b/tests/extmod/uctypes_sizeof.py.exp
@@ -4,3 +4,4 @@
 TypeError
 6
 1
+TypeError
diff --git a/tests/extmod/uctypes_sizeof_float.py b/tests/extmod/uctypes_sizeof_float.py
@@ -0,0 +1,8 @@
+try:
+    import uctypes
+except ImportError:
+    print("SKIP")
+    raise SystemExit
+
+print(uctypes.sizeof({'f':uctypes.FLOAT32}))
+print(uctypes.sizeof({'f':uctypes.FLOAT64}))
diff --git a/tests/extmod/uctypes_sizeof_float.py.exp b/tests/extmod/uctypes_sizeof_float.py.exp
@@ -0,0 +1,2 @@
+4
+8

Original file line number	Diff line number	Diff line change
`@@ -1,2 +1,3 @@`
`1`	`1`	`bytearray(b'01')`
`2`	`2`	`<class 'struct'>`
	`3`	`+bytearray(b'0123')`
Original file line number	Diff line number	Diff line change
`@@ -4,3 +4,4 @@`
`4`	`4`	`TypeError`
`5`	`5`	`6`
`6`	`6`	`1`
	`7`	`+TypeError`