diff options
Diffstat (limited to 'lib/python2.7/test/test_dis.py')
| -rw-r--r-- | lib/python2.7/test/test_dis.py | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/lib/python2.7/test/test_dis.py b/lib/python2.7/test/test_dis.py deleted file mode 100644 index 6ce4b79..0000000 --- a/lib/python2.7/test/test_dis.py +++ /dev/null @@ -1,151 +0,0 @@ -# Minimal tests for dis module - -from test.test_support import run_unittest -import unittest -import sys -import dis -import StringIO - - -def _f(a): - print a - return 1 - -dis_f = """\ - %-4d 0 LOAD_FAST 0 (a) - 3 PRINT_ITEM - 4 PRINT_NEWLINE - - %-4d 5 LOAD_CONST 1 (1) - 8 RETURN_VALUE -"""%(_f.func_code.co_firstlineno + 1, - _f.func_code.co_firstlineno + 2) - - -def bug708901(): - for res in range(1, - 10): - pass - -dis_bug708901 = """\ - %-4d 0 SETUP_LOOP 23 (to 26) - 3 LOAD_GLOBAL 0 (range) - 6 LOAD_CONST 1 (1) - - %-4d 9 LOAD_CONST 2 (10) - 12 CALL_FUNCTION 2 - 15 GET_ITER - >> 16 FOR_ITER 6 (to 25) - 19 STORE_FAST 0 (res) - - %-4d 22 JUMP_ABSOLUTE 16 - >> 25 POP_BLOCK - >> 26 LOAD_CONST 0 (None) - 29 RETURN_VALUE -"""%(bug708901.func_code.co_firstlineno + 1, - bug708901.func_code.co_firstlineno + 2, - bug708901.func_code.co_firstlineno + 3) - - -def bug1333982(x=[]): - assert 0, ([s for s in x] + - 1) - pass - -dis_bug1333982 = """\ - %-4d 0 LOAD_CONST 1 (0) - 3 POP_JUMP_IF_TRUE 41 - 6 LOAD_GLOBAL 0 (AssertionError) - 9 BUILD_LIST 0 - 12 LOAD_FAST 0 (x) - 15 GET_ITER - >> 16 FOR_ITER 12 (to 31) - 19 STORE_FAST 1 (s) - 22 LOAD_FAST 1 (s) - 25 LIST_APPEND 2 - 28 JUMP_ABSOLUTE 16 - - %-4d >> 31 LOAD_CONST 2 (1) - 34 BINARY_ADD - 35 CALL_FUNCTION 1 - 38 RAISE_VARARGS 1 - - %-4d >> 41 LOAD_CONST 0 (None) - 44 RETURN_VALUE -"""%(bug1333982.func_code.co_firstlineno + 1, - bug1333982.func_code.co_firstlineno + 2, - bug1333982.func_code.co_firstlineno + 3) - -_BIG_LINENO_FORMAT = """\ -%3d 0 LOAD_GLOBAL 0 (spam) - 3 POP_TOP - 4 LOAD_CONST 0 (None) - 7 RETURN_VALUE -""" - -class DisTests(unittest.TestCase): - def do_disassembly_test(self, func, expected): - s = StringIO.StringIO() - save_stdout = sys.stdout - sys.stdout = s - dis.dis(func) - sys.stdout = save_stdout - got = s.getvalue() - # Trim trailing blanks (if any). - lines = got.split('\n') - lines = [line.rstrip() for line in lines] - expected = expected.split("\n") - import difflib - if expected != lines: - self.fail( - "events did not match expectation:\n" + - "\n".join(difflib.ndiff(expected, - lines))) - - def test_opmap(self): - self.assertEqual(dis.opmap["STOP_CODE"], 0) - self.assertIn(dis.opmap["LOAD_CONST"], dis.hasconst) - self.assertIn(dis.opmap["STORE_NAME"], dis.hasname) - - def test_opname(self): - self.assertEqual(dis.opname[dis.opmap["LOAD_FAST"]], "LOAD_FAST") - - def test_boundaries(self): - self.assertEqual(dis.opmap["EXTENDED_ARG"], dis.EXTENDED_ARG) - self.assertEqual(dis.opmap["STORE_NAME"], dis.HAVE_ARGUMENT) - - def test_dis(self): - self.do_disassembly_test(_f, dis_f) - - def test_bug_708901(self): - self.do_disassembly_test(bug708901, dis_bug708901) - - def test_bug_1333982(self): - # This one is checking bytecodes generated for an `assert` statement, - # so fails if the tests are run with -O. Skip this test then. - if __debug__: - self.do_disassembly_test(bug1333982, dis_bug1333982) - - def test_big_linenos(self): - def func(count): - namespace = {} - func = "def foo():\n " + "".join(["\n "] * count + ["spam\n"]) - exec func in namespace - return namespace['foo'] - - # Test all small ranges - for i in xrange(1, 300): - expected = _BIG_LINENO_FORMAT % (i + 2) - self.do_disassembly_test(func(i), expected) - - # Test some larger ranges too - for i in xrange(300, 5000, 10): - expected = _BIG_LINENO_FORMAT % (i + 2) - self.do_disassembly_test(func(i), expected) - -def test_main(): - run_unittest(DisTests) - - -if __name__ == "__main__": - test_main() |