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bpo-45144: use subTests in test_peepholer (GH-28247)

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Irit Katriel 2021-09-10 17:29:21 +01:00 committed by GitHub
parent e86bcfa580
commit f8d624d6a5
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 53 additions and 43 deletions
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10
Lib/test/test_peepholer.py
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@ -72,6 +72,7 @@ class TestTranforms(BytecodeTestCase):
('not a in b', 'CONTAINS_OP', 1,),
('not a not in b', 'CONTAINS_OP', 0,),
):
with self.subTest(line=line):
code = compile(line, '', 'single')
self.assertInBytecode(code, cmp_op, invert)
self.check_lnotab(code)
@ -90,6 +91,7 @@ class TestTranforms(BytecodeTestCase):
return x
for func, elem in ((f, None), (g, True), (h, False)):
with self.subTest(func=func):
self.assertNotInBytecode(func, 'LOAD_GLOBAL')
self.assertInBytecode(func, 'LOAD_CONST', elem)
self.check_lnotab(func)
@ -120,6 +122,7 @@ class TestTranforms(BytecodeTestCase):
('a, b = a, b', 'ROT_TWO',),
('a, b, c = a, b, c', 'ROT_THREE',),
):
with self.subTest(line=line):
code = compile(line,'','single')
self.assertInBytecode(code, elem)
self.assertNotInBytecode(code, 'BUILD_TUPLE')
@ -134,6 +137,7 @@ class TestTranforms(BytecodeTestCase):
('(None, 1, None)', (None, 1, None)),
('((1, 2), 3, 4)', ((1, 2), 3, 4)),
):
with self.subTest(line=line):
code = compile(line,'','single')
self.assertInBytecode(code, 'LOAD_CONST', elem)
self.assertNotInBytecode(code, 'BUILD_TUPLE')
@ -174,6 +178,7 @@ class TestTranforms(BytecodeTestCase):
('a in [None, 1, None]', (None, 1, None)),
('a not in [(1, 2), 3, 4]', ((1, 2), 3, 4)),
):
with self.subTest(line=line):
code = compile(line, '', 'single')
self.assertInBytecode(code, 'LOAD_CONST', elem)
self.assertNotInBytecode(code, 'BUILD_LIST')
@ -188,6 +193,7 @@ class TestTranforms(BytecodeTestCase):
('a not in {(1, 2), 3, 4}', frozenset({(1, 2), 3, 4})),
('a in {1, 2, 3, 3, 2, 1}', frozenset({1, 2, 3})),
):
with self.subTest(line=line):
code = compile(line, '', 'single')
self.assertNotInBytecode(code, 'BUILD_SET')
self.assertInBytecode(code, 'LOAD_CONST', elem)
@ -227,6 +233,7 @@ class TestTranforms(BytecodeTestCase):
('a = 13 ^ 7', 10), # binary xor
('a = 13 | 7', 15), # binary or
):
with self.subTest(line=line):
code = compile(line, '', 'single')
self.assertInBytecode(code, 'LOAD_CONST', elem)
for instr in dis.get_instructions(code):
@ -285,6 +292,7 @@ class TestTranforms(BytecodeTestCase):
('~-2', 1), # unary invert
('+1', 1), # unary positive
):
with self.subTest(line=line):
code = compile(line, '', 'single')
self.assertInBytecode(code, 'LOAD_CONST', elem)
for instr in dis.get_instructions(code):
@ -304,6 +312,7 @@ class TestTranforms(BytecodeTestCase):
('-"abc"', 'abc', 'UNARY_NEGATIVE'),
('~"abc"', 'abc', 'UNARY_INVERT'),
):
with self.subTest(line=line):
code = compile(line, '', 'single')
self.assertInBytecode(code, 'LOAD_CONST', elem)
self.assertInBytecode(code, opname)
@ -432,6 +441,7 @@ class TestTranforms(BytecodeTestCase):
'lambda x: x in {(3 * -5) + (-1 - 6), (1, -2, 3) * 2, None}',
]
for e in exprs:
with self.subTest(e=e):
code = compile(e, '', 'single')
for instr in dis.get_instructions(code):
self.assertFalse(instr.opname.startswith('UNARY_'))