48 lines
1.2 KiB
Python
48 lines
1.2 KiB
Python
import skip_if
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skip_if.no_bigint()
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try:
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import ustruct as struct
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except:
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try:
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import struct
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except ImportError:
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print("SKIP")
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raise SystemExit
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def test_struct_overflow(typecode, val):
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try:
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print(struct.pack(typecode, val))
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except OverflowError:
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print('OverflowError')
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except struct.error:
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print('OverflowError')
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# small int -1
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test_struct_overflow('>Q', -1)
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test_struct_overflow('>L', -1)
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test_struct_overflow('>I', -1)
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test_struct_overflow('>H', -1)
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test_struct_overflow('>B', -1)
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# big int -1
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test_struct_overflow('>Q', -2**64 // 2**64)
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test_struct_overflow('>L', -2**64 // 2**64)
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test_struct_overflow('>I', -2**64 // 2**64)
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test_struct_overflow('>H', -2**64 // 2**64)
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test_struct_overflow('>B', -2**64 // 2**64)
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# possibly small ints
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test_struct_overflow('>q', 2**63)
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test_struct_overflow('>l', 2**31)
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test_struct_overflow('>i', 2**31)
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test_struct_overflow('>h', 2**15)
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test_struct_overflow('>b', 2**7)
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# definitely big ints
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test_struct_overflow('>q', 2**64 // 2**1)
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test_struct_overflow('>l', 2**64 // 2**33)
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test_struct_overflow('>i', 2**64 // 2**33)
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test_struct_overflow('>h', 2**64 // 2**49)
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test_struct_overflow('>b', 2**64 // 2**57)
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