<gh_stars>1000+
import skip_if
skip_if.no_bigint()

try:
    import ustruct as struct
except:
    try:
        import struct
    except ImportError:
        print("SKIP")
        raise SystemExit

def test_struct_overflow(typecode, val):
    try:
        print(struct.pack(typecode, val))
    except OverflowError:
        print('OverflowError')
    except struct.error:
        print('OverflowError')

# small int -1
test_struct_overflow('>Q', -1)
test_struct_overflow('>L', -1)
test_struct_overflow('>I', -1)
test_struct_overflow('>H', -1)
test_struct_overflow('>B', -1)

# big int -1
test_struct_overflow('>Q', -2**64 // 2**64)
test_struct_overflow('>L', -2**64 // 2**64)
test_struct_overflow('>I', -2**64 // 2**64)
test_struct_overflow('>H', -2**64 // 2**64)
test_struct_overflow('>B', -2**64 // 2**64)

# possibly small ints
test_struct_overflow('>q', 2**63)
test_struct_overflow('>l', 2**31)
test_struct_overflow('>i', 2**31)
test_struct_overflow('>h', 2**15)
test_struct_overflow('>b', 2**7)

# definitely big ints
test_struct_overflow('>q', 2**64 // 2**1)
test_struct_overflow('>l', 2**64 // 2**33)
test_struct_overflow('>i', 2**64 // 2**33)
test_struct_overflow('>h', 2**64 // 2**49)
test_struct_overflow('>b', 2**64 // 2**57)

import skip_if
skip_if.no_bigint()

try:
    import ustruct as struct
except:
    try:
        import struct
    except ImportError:
        print("SKIP")
        raise SystemExit

def test_struct_overflow(typecode, val):
    try:
        print(struct.pack(typecode, val))
    except OverflowError:
        print('OverflowError')
    except struct.error:
        print('OverflowError')

# small int -1
test_struct_overflow('>Q', -1)
test_struct_overflow('>L', -1)
test_struct_overflow('>I', -1)
test_struct_overflow('>H', -1)
test_struct_overflow('>B', -1)

# big int -1
test_struct_overflow('>Q', -2**64 // 2**64)
test_struct_overflow('>L', -2**64 // 2**64)
test_struct_overflow('>I', -2**64 // 2**64)
test_struct_overflow('>H', -2**64 // 2**64)
test_struct_overflow('>B', -2**64 // 2**64)

# possibly small ints
test_struct_overflow('>q', 2**63)
test_struct_overflow('>l', 2**31)
test_struct_overflow('>i', 2**31)
test_struct_overflow('>h', 2**15)
test_struct_overflow('>b', 2**7)

# definitely big ints
test_struct_overflow('>q', 2**64 // 2**1)
test_struct_overflow('>l', 2**64 // 2**33)
test_struct_overflow('>i', 2**64 // 2**33)
test_struct_overflow('>h', 2**64 // 2**49)
test_struct_overflow('>b', 2**64 // 2**57)
# small int -1 # big int -1 # possibly small ints # definitely big ints