2 files changed, 45 insertions, 10 deletions
diff --git a/numpy/typing/tests/data/fail/scalars.py b/numpy/typing/tests/data/fail/scalars.py
index e7c4c7485..5fffa89b1 100644
--- a/numpy/typing/tests/data/fail/scalars.py
+++ b/numpy/typing/tests/data/fail/scalars.py
@@ -64,3 +64,5 @@ np.timedelta64(value=0)  # E: Unexpected keyword argument
 
 np.bytes_(b"hello", encoding='utf-8')  # E: No overload variant
 np.str_("hello", encoding='utf-8')  # E: No overload variant
+
+complex(np.bytes_("1"))  # E: No overload variant
diff --git a/numpy/typing/tests/data/pass/scalars.py b/numpy/typing/tests/data/pass/scalars.py
index 49ddb8ed9..04e974983 100644
--- a/numpy/typing/tests/data/pass/scalars.py
+++ b/numpy/typing/tests/data/pass/scalars.py
@@ -1,6 +1,7 @@
 import sys
 import datetime as dt
 
+import pytest
 import numpy as np
 
 
@@ -62,16 +63,6 @@ np.str_("hello")
 np.str_(b"hello", 'utf-8')
 np.str_(b"hello", encoding='utf-8')
 
-# Protocols
-float(np.int8(4))
-int(np.int16(5))
-np.int8(np.float32(6))
-
-# TODO(alan): test after https://github.com/python/typeshed/pull/2004
-# complex(np.int32(8))
-
-abs(np.int8(4))
-
 # Array-ish semantics
 np.int8().real
 np.int16().imag
@@ -114,3 +105,45 @@ np.void(True)
 np.void(np.bool_(True))
 np.void(b"test")
 np.void(np.bytes_("test"))
+
+# Protocols
+i8 = np.int64()
+u8 = np.uint64()
+f8 = np.float64()
+c16 = np.complex128()
+b_ = np.bool_()
+td = np.timedelta64()
+U = np.str_("1")
+S = np.bytes_("1")
+AR = np.array(1, dtype=np.float64)
+
+int(i8)
+int(u8)
+int(f8)
+int(b_)
+int(td)
+int(U)
+int(S)
+int(AR)
+with pytest.warns(np.ComplexWarning):
+    int(c16)
+
+float(i8)
+float(u8)
+float(f8)
+float(b_)
+float(td)
+float(U)
+float(S)
+float(AR)
+with pytest.warns(np.ComplexWarning):
+    float(c16)
+
+complex(i8)
+complex(u8)
+complex(f8)
+complex(c16)
+complex(b_)
+complex(td)
+complex(U)
+complex(AR)