Include NaT values in tests

Make sure that we are able to encode NaT values without issues by
introducing `-0`s in our test data.

Author: jakirkham

numcodecs/tests/test_blosc.py

@@ -43,10 +43,10 @@
     np.random.normal(loc=1000, scale=1, size=(100, 10)),
     np.random.randint(0, 2, size=1000, dtype=bool).reshape(100, 10, order='F'),
     np.random.choice([b'a', b'bb', b'ccc'], size=1000).reshape(10, 10, 10),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('M8[ns]'),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('m8[ns]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('M8[m]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('m8[m]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('M8[ns]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('m8[ns]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('M8[m]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('m8[m]'),
 ]
 
 

numcodecs/tests/test_bz2.py

@@ -30,10 +30,10 @@
     np.random.normal(loc=1000, scale=1, size=(100, 10)),
     np.random.randint(0, 2, size=1000, dtype=bool).reshape(100, 10, order='F'),
     np.random.choice([b'a', b'bb', b'ccc'], size=1000).reshape(10, 10, 10),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('M8[ns]'),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('m8[ns]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('M8[m]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('m8[m]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('M8[ns]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('m8[ns]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('M8[m]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('m8[m]'),
 ]
 
 

numcodecs/tests/test_gzip.py

@@ -32,10 +32,10 @@
     np.random.normal(loc=1000, scale=1, size=(100, 10)),
     np.random.randint(0, 2, size=1000, dtype=bool).reshape(100, 10, order='F'),
     np.random.choice([b'a', b'bb', b'ccc'], size=1000).reshape(10, 10, 10),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('M8[ns]'),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('m8[ns]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('M8[m]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('m8[m]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('M8[ns]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('m8[ns]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('M8[m]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('m8[m]'),
 ]
 
 

numcodecs/tests/test_lz4.py

@@ -33,10 +33,10 @@
     np.random.normal(loc=1000, scale=1, size=(100, 10)),
     np.random.randint(0, 2, size=1000, dtype=bool).reshape(100, 10, order='F'),
     np.random.choice([b'a', b'bb', b'ccc'], size=1000).reshape(10, 10, 10),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('M8[ns]'),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('m8[ns]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('M8[m]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('m8[m]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('M8[ns]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('m8[ns]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('M8[m]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('m8[m]'),
 ]
 
 

numcodecs/tests/test_lzma.py

@@ -38,10 +38,10 @@
     np.random.normal(loc=1000, scale=1, size=(100, 10)),
     np.random.randint(0, 2, size=1000, dtype=bool).reshape(100, 10, order='F'),
     np.random.choice([b'a', b'bb', b'ccc'], size=1000).reshape(10, 10, 10),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('M8[ns]'),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('m8[ns]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('M8[m]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('m8[m]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('M8[ns]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('m8[ns]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('M8[m]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('m8[m]'),
 ]
 
 

numcodecs/tests/test_zlib.py

@@ -32,10 +32,10 @@
     np.random.normal(loc=1000, scale=1, size=(100, 10)),
     np.random.randint(0, 2, size=1000, dtype=bool).reshape(100, 10, order='F'),
     np.random.choice([b'a', b'bb', b'ccc'], size=1000).reshape(10, 10, 10),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('M8[ns]'),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('m8[ns]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('M8[m]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('m8[m]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('M8[ns]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('m8[ns]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('M8[m]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('m8[m]'),
 ]
 
 

numcodecs/tests/test_zstd.py

@@ -33,10 +33,10 @@
     np.random.normal(loc=1000, scale=1, size=(100, 10)),
     np.random.randint(0, 2, size=1000, dtype=bool).reshape(100, 10, order='F'),
     np.random.choice([b'a', b'bb', b'ccc'], size=1000).reshape(10, 10, 10),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('M8[ns]'),
-    np.random.randint(0, 2**60, size=1000, dtype='u8').view('m8[ns]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('M8[m]'),
-    np.random.randint(0, 2**25, size=1000, dtype='u8').view('m8[m]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('M8[ns]'),
+    (-np.random.randint(-2**30, 2**30, size=1000, dtype='i8')).view('m8[ns]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('M8[m]'),
+    (-np.random.randint(-2**12, 2**13, size=1000, dtype='i8')).view('m8[m]'),
 ]