+++ /dev/null
-# Minimal tests for dis module\r
-\r
-from test.test_support import run_unittest\r
-import unittest\r
-import sys\r
-import dis\r
-import StringIO\r
-\r
-\r
-def _f(a):\r
- print a\r
- return 1\r
-\r
-dis_f = """\\r
- %-4d 0 LOAD_FAST 0 (a)\r
- 3 PRINT_ITEM\r
- 4 PRINT_NEWLINE\r
-\r
- %-4d 5 LOAD_CONST 1 (1)\r
- 8 RETURN_VALUE\r
-"""%(_f.func_code.co_firstlineno + 1,\r
- _f.func_code.co_firstlineno + 2)\r
-\r
-\r
-def bug708901():\r
- for res in range(1,\r
- 10):\r
- pass\r
-\r
-dis_bug708901 = """\\r
- %-4d 0 SETUP_LOOP 23 (to 26)\r
- 3 LOAD_GLOBAL 0 (range)\r
- 6 LOAD_CONST 1 (1)\r
-\r
- %-4d 9 LOAD_CONST 2 (10)\r
- 12 CALL_FUNCTION 2\r
- 15 GET_ITER\r
- >> 16 FOR_ITER 6 (to 25)\r
- 19 STORE_FAST 0 (res)\r
-\r
- %-4d 22 JUMP_ABSOLUTE 16\r
- >> 25 POP_BLOCK\r
- >> 26 LOAD_CONST 0 (None)\r
- 29 RETURN_VALUE\r
-"""%(bug708901.func_code.co_firstlineno + 1,\r
- bug708901.func_code.co_firstlineno + 2,\r
- bug708901.func_code.co_firstlineno + 3)\r
-\r
-\r
-def bug1333982(x=[]):\r
- assert 0, ([s for s in x] +\r
- 1)\r
- pass\r
-\r
-dis_bug1333982 = """\\r
- %-4d 0 LOAD_CONST 1 (0)\r
- 3 POP_JUMP_IF_TRUE 38\r
- 6 LOAD_GLOBAL 0 (AssertionError)\r
- 9 BUILD_LIST 0\r
- 12 LOAD_FAST 0 (x)\r
- 15 GET_ITER\r
- >> 16 FOR_ITER 12 (to 31)\r
- 19 STORE_FAST 1 (s)\r
- 22 LOAD_FAST 1 (s)\r
- 25 LIST_APPEND 2\r
- 28 JUMP_ABSOLUTE 16\r
-\r
- %-4d >> 31 LOAD_CONST 2 (1)\r
- 34 BINARY_ADD\r
- 35 RAISE_VARARGS 2\r
-\r
- %-4d >> 38 LOAD_CONST 0 (None)\r
- 41 RETURN_VALUE\r
-"""%(bug1333982.func_code.co_firstlineno + 1,\r
- bug1333982.func_code.co_firstlineno + 2,\r
- bug1333982.func_code.co_firstlineno + 3)\r
-\r
-_BIG_LINENO_FORMAT = """\\r
-%3d 0 LOAD_GLOBAL 0 (spam)\r
- 3 POP_TOP\r
- 4 LOAD_CONST 0 (None)\r
- 7 RETURN_VALUE\r
-"""\r
-\r
-class DisTests(unittest.TestCase):\r
- def do_disassembly_test(self, func, expected):\r
- s = StringIO.StringIO()\r
- save_stdout = sys.stdout\r
- sys.stdout = s\r
- dis.dis(func)\r
- sys.stdout = save_stdout\r
- got = s.getvalue()\r
- # Trim trailing blanks (if any).\r
- lines = got.split('\n')\r
- lines = [line.rstrip() for line in lines]\r
- expected = expected.split("\n")\r
- import difflib\r
- if expected != lines:\r
- self.fail(\r
- "events did not match expectation:\n" +\r
- "\n".join(difflib.ndiff(expected,\r
- lines)))\r
-\r
- def test_opmap(self):\r
- self.assertEqual(dis.opmap["STOP_CODE"], 0)\r
- self.assertIn(dis.opmap["LOAD_CONST"], dis.hasconst)\r
- self.assertIn(dis.opmap["STORE_NAME"], dis.hasname)\r
-\r
- def test_opname(self):\r
- self.assertEqual(dis.opname[dis.opmap["LOAD_FAST"]], "LOAD_FAST")\r
-\r
- def test_boundaries(self):\r
- self.assertEqual(dis.opmap["EXTENDED_ARG"], dis.EXTENDED_ARG)\r
- self.assertEqual(dis.opmap["STORE_NAME"], dis.HAVE_ARGUMENT)\r
-\r
- def test_dis(self):\r
- self.do_disassembly_test(_f, dis_f)\r
-\r
- def test_bug_708901(self):\r
- self.do_disassembly_test(bug708901, dis_bug708901)\r
-\r
- def test_bug_1333982(self):\r
- # This one is checking bytecodes generated for an `assert` statement,\r
- # so fails if the tests are run with -O. Skip this test then.\r
- if __debug__:\r
- self.do_disassembly_test(bug1333982, dis_bug1333982)\r
-\r
- def test_big_linenos(self):\r
- def func(count):\r
- namespace = {}\r
- func = "def foo():\n " + "".join(["\n "] * count + ["spam\n"])\r
- exec func in namespace\r
- return namespace['foo']\r
-\r
- # Test all small ranges\r
- for i in xrange(1, 300):\r
- expected = _BIG_LINENO_FORMAT % (i + 2)\r
- self.do_disassembly_test(func(i), expected)\r
-\r
- # Test some larger ranges too\r
- for i in xrange(300, 5000, 10):\r
- expected = _BIG_LINENO_FORMAT % (i + 2)\r
- self.do_disassembly_test(func(i), expected)\r
-\r
-def test_main():\r
- run_unittest(DisTests)\r
-\r
-\r
-if __name__ == "__main__":\r
- test_main()\r
projects / mirror_edk2.git / blobdiff