TST: Update the `np.core.numerictypes` typing tests

2 files changed, 36 insertions, 0 deletions

diff --git a/numpy/typing/tests/data/pass/numerictypes.py b/numpy/typing/tests/data/pass/numerictypes.py
index 4f205cabc..5af0d171c 100644
--- a/numpy/typing/tests/data/pass/numerictypes.py
+++ b/numpy/typing/tests/data/pass/numerictypes.py
@@ -27,3 +27,21 @@ np.find_common_type([], [np.int64, np.float32, complex])
 np.find_common_type((), (np.int64, np.float32, complex))
 np.find_common_type([np.int64, np.float32], [])
 np.find_common_type([np.float32], [np.int64, np.float64])
+
+np.cast[int]
+np.cast["i8"]
+np.cast[np.int64]
+
+np.nbytes[int]
+np.nbytes["i8"]
+np.nbytes[np.int64]
+
+np.ScalarType
+np.ScalarType[0]
+np.ScalarType[4]
+np.ScalarType[9]
+np.ScalarType[11]
+
+np.typecodes["Character"]
+np.typecodes["Complex"]
+np.typecodes["All"]
diff --git a/numpy/typing/tests/data/reveal/numerictypes.py b/numpy/typing/tests/data/reveal/numerictypes.py
index e026158cd..0f886b3fb 100644
--- a/numpy/typing/tests/data/reveal/numerictypes.py
+++ b/numpy/typing/tests/data/reveal/numerictypes.py
@@ -16,3 +16,21 @@ reveal_type(np.sctype2char("S8"))  # E: str
 reveal_type(np.sctype2char(list))  # E: str
 
 reveal_type(np.find_common_type([np.int64], [np.int64]))  # E: numpy.dtype
+
+reveal_type(np.cast[int])  # E: _CastFunc
+reveal_type(np.cast["i8"])  # E: _CastFunc
+reveal_type(np.cast[np.int64])  # E: _CastFunc
+
+reveal_type(np.nbytes[int])  # E: int
+reveal_type(np.nbytes["i8"])  # E: int
+reveal_type(np.nbytes[np.int64])  # E: int
+
+reveal_type(np.ScalarType)  # E: Tuple
+reveal_type(np.ScalarType[0])  # E: Type[builtins.int]
+reveal_type(np.ScalarType[4])  # E: Type[builtins.bool]
+reveal_type(np.ScalarType[9])  # E: Type[{csingle}]
+reveal_type(np.ScalarType[11])  # E: Type[{clongdouble}]
+
+reveal_type(np.typecodes["Character"])  # E: Literal['c']
+reveal_type(np.typecodes["Complex"])  # E: Literal['FDG']
+reveal_type(np.typecodes["All"])  # E: Literal['?bhilqpBHILQPefdgFDGSUVOMm']