diff options
Diffstat (limited to 'Lib/test/test_gdb/test_misc.py')
| -rw-r--r-- | Lib/test/test_gdb/test_misc.py | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/Lib/test/test_gdb/test_misc.py b/Lib/test/test_gdb/test_misc.py new file mode 100644 index 0000000..1063e7b --- /dev/null +++ b/Lib/test/test_gdb/test_misc.py @@ -0,0 +1,188 @@ +import re +import unittest +from test.support import python_is_optimized + +from .util import run_gdb, setup_module, DebuggerTests + + +def setUpModule(): + setup_module() + + +def gdb_has_frame_select(): + # Does this build of gdb have gdb.Frame.select ? + stdout, stderr = run_gdb("--eval-command=python print(dir(gdb.Frame))") + m = re.match(r'.*\[(.*)\].*', stdout) + if not m: + raise unittest.SkipTest( + f"Unable to parse output from gdb.Frame.select test\n" + f"stdout={stdout!r}\n" + f"stderr={stderr!r}\n") + gdb_frame_dir = m.group(1).split(', ') + return "'select'" in gdb_frame_dir + +HAS_PYUP_PYDOWN = gdb_has_frame_select() + + +@unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") +class PyListTests(DebuggerTests): + def assertListing(self, expected, actual): + self.assertEndsWith(actual, expected) + + def test_basic_command(self): + 'Verify that the "py-list" command works' + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-list']) + + self.assertListing(' 5 \n' + ' 6 def bar(a, b, c):\n' + ' 7 baz(a, b, c)\n' + ' 8 \n' + ' 9 def baz(*args):\n' + ' >10 id(42)\n' + ' 11 \n' + ' 12 foo(1, 2, 3)\n', + bt) + + def test_one_abs_arg(self): + 'Verify the "py-list" command with one absolute argument' + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-list 9']) + + self.assertListing(' 9 def baz(*args):\n' + ' >10 id(42)\n' + ' 11 \n' + ' 12 foo(1, 2, 3)\n', + bt) + + def test_two_abs_args(self): + 'Verify the "py-list" command with two absolute arguments' + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-list 1,3']) + + self.assertListing(' 1 # Sample script for use by test_gdb\n' + ' 2 \n' + ' 3 def foo(a, b, c):\n', + bt) + +SAMPLE_WITH_C_CALL = """ + +from _testcapi import pyobject_vectorcall + +def foo(a, b, c): + bar(a, b, c) + +def bar(a, b, c): + pyobject_vectorcall(baz, (a, b, c), None) + +def baz(*args): + id(42) + +foo(1, 2, 3) + +""" + + +class StackNavigationTests(DebuggerTests): + @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") + @unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") + def test_pyup_command(self): + 'Verify that the "py-up" command works' + bt = self.get_stack_trace(source=SAMPLE_WITH_C_CALL, + cmds_after_breakpoint=['py-up', 'py-up']) + self.assertMultilineMatches(bt, + r'''^.* +#[0-9]+ Frame 0x-?[0-9a-f]+, for file <string>, line 12, in baz \(args=\(1, 2, 3\)\) +#[0-9]+ <built-in method pyobject_vectorcall of module object at remote 0x[0-9a-f]+> +$''') + + @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") + def test_down_at_bottom(self): + 'Verify handling of "py-down" at the bottom of the stack' + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-down']) + self.assertEndsWith(bt, + 'Unable to find a newer python frame\n') + + @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") + def test_up_at_top(self): + 'Verify handling of "py-up" at the top of the stack' + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-up'] * 5) + self.assertEndsWith(bt, + 'Unable to find an older python frame\n') + + @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") + @unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") + def test_up_then_down(self): + 'Verify "py-up" followed by "py-down"' + bt = self.get_stack_trace(source=SAMPLE_WITH_C_CALL, + cmds_after_breakpoint=['py-up', 'py-up', 'py-down']) + self.assertMultilineMatches(bt, + r'''^.* +#[0-9]+ Frame 0x-?[0-9a-f]+, for file <string>, line 12, in baz \(args=\(1, 2, 3\)\) +#[0-9]+ <built-in method pyobject_vectorcall of module object at remote 0x[0-9a-f]+> +#[0-9]+ Frame 0x-?[0-9a-f]+, for file <string>, line 12, in baz \(args=\(1, 2, 3\)\) +$''') + +class PyPrintTests(DebuggerTests): + @unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") + def test_basic_command(self): + 'Verify that the "py-print" command works' + bt = self.get_stack_trace(source=SAMPLE_WITH_C_CALL, + cmds_after_breakpoint=['py-up', 'py-print args']) + self.assertMultilineMatches(bt, + r".*\nlocal 'args' = \(1, 2, 3\)\n.*") + + @unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") + @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") + def test_print_after_up(self): + bt = self.get_stack_trace(source=SAMPLE_WITH_C_CALL, + cmds_after_breakpoint=['py-up', 'py-up', 'py-print c', 'py-print b', 'py-print a']) + self.assertMultilineMatches(bt, + r".*\nlocal 'c' = 3\nlocal 'b' = 2\nlocal 'a' = 1\n.*") + + @unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") + def test_printing_global(self): + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-up', 'py-print __name__']) + self.assertMultilineMatches(bt, + r".*\nglobal '__name__' = '__main__'\n.*") + + @unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") + def test_printing_builtin(self): + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-up', 'py-print len']) + self.assertMultilineMatches(bt, + r".*\nbuiltin 'len' = <built-in method len of module object at remote 0x-?[0-9a-f]+>\n.*") + +class PyLocalsTests(DebuggerTests): + @unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") + def test_basic_command(self): + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-up', 'py-locals']) + self.assertMultilineMatches(bt, + r".*\nargs = \(1, 2, 3\)\n.*") + + @unittest.skipUnless(HAS_PYUP_PYDOWN, "test requires py-up/py-down commands") + @unittest.skipIf(python_is_optimized(), + "Python was compiled with optimizations") + def test_locals_after_up(self): + bt = self.get_stack_trace(script=self.get_sample_script(), + cmds_after_breakpoint=['py-up', 'py-up', 'py-locals']) + self.assertMultilineMatches(bt, + r'''^.* +Locals for foo +a = 1 +b = 2 +c = 3 +Locals for <module> +.*$''') |
