b04fb08c8a
FreeBSD recently updated to Clang 3.4 and the TestFormatters test case started failing as it omits the C1 complete object constructor when not needed. llvm.org/pr19011 llvm-svn: 204652
176 lines
6.7 KiB
Python
176 lines
6.7 KiB
Python
"""
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Test using LLDB data formatters with frozen objects coming from the expression parser.
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"""
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import unittest2
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import lldb
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import lldbutil
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from lldbtest import *
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class ExprFormattersTestCase(TestBase):
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mydir = TestBase.compute_mydir(__file__)
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def setUp(self):
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# Call super's setUp().
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TestBase.setUp(self)
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# Find the line number to break for main.cpp.
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self.line = line_number('main.cpp',
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'// Stop here')
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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@dsym_test
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def test_with_dsym(self):
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"""Test expr + formatters for good interoperability."""
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self.buildDsym()
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self.do_my_test()
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@expectedFailureFreeBSD('llvm.org/pr19011') # Newer Clang omits C1 complete object constructor
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@dwarf_test
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def test_with_dwarf(self):
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"""Test expr + formatters for good interoperability."""
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self.buildDwarf()
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self.do_my_test()
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def do_my_test(self):
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# This is the function to remove the custom formats in order to have a
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# clean slate for the next test case.
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def cleanup():
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self.runCmd('type summary clear', check=False)
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self.runCmd('type synthetic clear', check=False)
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# Execute the cleanup function during test case tear down.
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self.addTearDownHook(cleanup)
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"""Test expr + formatters for good interoperability."""
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self.runCmd("file a.out", CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line (self, "main.cpp", self.line, loc_exact=True)
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self.runCmd("run", RUN_SUCCEEDED)
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self.runCmd("script import formatters")
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self.runCmd("script import foosynth")
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self.runCmd("frame variable foo1 --show-types")
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self.runCmd("frame variable foo1.b --show-types")
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self.runCmd("frame variable foo1.b.b_ref --show-types")
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self.expect("expression --show-types -- *(new foo(47))",
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substrs = ['(int) a = 47', '(bar) b = {', '(int) i = 94', '(baz) b = {', '(int) k = 99'])
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self.runCmd("type summary add -F formatters.foo_SummaryProvider foo")
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self.expect("expression new int(12)",
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substrs = ['(int *) $', ' = 0x'])
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self.runCmd("type summary add -s \"${var%pointer} -> ${*var%decimal}\" \"int *\"")
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self.expect("expression new int(12)",
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substrs = ['(int *) $', '= 0x', ' -> 12'])
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self.expect("expression foo1.a_ptr",
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substrs = ['(int *) $', '= 0x', ' -> 13'])
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self.expect("expression foo1",
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substrs = ['(foo) $', ' = a = 12, a_ptr = ', ' -> 13, i = 24, i_ptr = ', ' -> 25'])
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self.expect("expression new foo(47)",
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substrs = ['(foo *) $', ' a = 47, a_ptr = ', ' -> 48, i = 94, i_ptr = ', ' -> 95'])
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self.expect("expression foo2",
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substrs = ['(foo) $', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 243'])
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object_name = self.res.GetOutput()
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object_name = object_name[7:]
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object_name = object_name[0:object_name.find(' =')]
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self.expect("frame variable foo2",
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substrs = ['(foo)', 'foo2', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 243'])
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self.expect("expression $" + object_name,
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substrs = ['(foo) $', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 243', ', h = 245 , k = 247'])
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self.runCmd("type summary delete foo")
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self.runCmd("type synthetic add --python-class foosynth.FooSyntheticProvider foo")
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self.expect("expression --show-types -- $" + object_name,
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substrs = ['(foo) $', ' = {', '(int) *i_ptr = 243'])
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self.runCmd("n")
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self.runCmd("n")
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self.runCmd("type synthetic delete foo")
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self.runCmd("type summary add -F formatters.foo_SummaryProvider foo")
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self.expect("expression foo2",
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substrs = ['(foo) $', ' = a = 7777, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 8888'])
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self.expect("expression $" + object_name + '.a',
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substrs = ['7777'])
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self.expect("expression *$" + object_name + '.b.i_ptr',
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substrs = ['8888'])
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self.expect("expression $" + object_name,
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substrs = ['(foo) $', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 8888', 'h = 245 , k = 247'])
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self.runCmd("type summary delete foo")
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self.runCmd("type synthetic add --python-class foosynth.FooSyntheticProvider foo")
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self.expect("expression --show-types -- $" + object_name,
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substrs = ['(foo) $', ' = {', '(int) *i_ptr = 8888'])
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self.runCmd("n")
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self.runCmd("type synthetic delete foo")
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self.runCmd("type summary add -F formatters.foo_SummaryProvider foo")
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self.expect("expression $" + object_name,
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substrs = ['(foo) $', ' = a = 121, a_ptr = ', ' -> 122, i = 242, i_ptr = ', ' -> 8888', 'h = 9999 , k = 247'])
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process = self.dbg.GetSelectedTarget().GetProcess()
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thread = process.GetThreadAtIndex(0)
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frame = thread.GetSelectedFrame()
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frozen = frame.EvaluateExpression("$" + object_name + ".a_ptr")
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a_data = frozen.GetPointeeData()
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error = lldb.SBError()
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self.assertTrue(a_data.GetUnsignedInt32(error, 0) == 122, '*a_ptr = 122')
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self.runCmd("n");self.runCmd("n");self.runCmd("n");
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self.expect("frame variable numbers",
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substrs = ['1','2','3','4','5'])
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self.expect("expression numbers",
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substrs = ['1','2','3','4','5'])
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frozen = frame.EvaluateExpression("&numbers")
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a_data = frozen.GetPointeeData(0, 1)
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self.assertTrue(a_data.GetUnsignedInt32(error, 0) == 1, 'numbers[0] == 1')
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self.assertTrue(a_data.GetUnsignedInt32(error, 4) == 2, 'numbers[1] == 2')
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self.assertTrue(a_data.GetUnsignedInt32(error, 8) == 3, 'numbers[2] == 3')
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self.assertTrue(a_data.GetUnsignedInt32(error, 12) == 4, 'numbers[3] == 4')
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self.assertTrue(a_data.GetUnsignedInt32(error, 16) == 5, 'numbers[4] == 5')
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frozen = frame.EvaluateExpression("numbers")
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a_data = frozen.GetData()
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self.assertTrue(a_data.GetUnsignedInt32(error, 0) == 1, 'numbers[0] == 1')
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self.assertTrue(a_data.GetUnsignedInt32(error, 4) == 2, 'numbers[1] == 2')
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self.assertTrue(a_data.GetUnsignedInt32(error, 8) == 3, 'numbers[2] == 3')
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self.assertTrue(a_data.GetUnsignedInt32(error, 12) == 4, 'numbers[3] == 4')
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self.assertTrue(a_data.GetUnsignedInt32(error, 16) == 5, 'numbers[4] == 5')
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if __name__ == '__main__':
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import atexit
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lldb.SBDebugger.Initialize()
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atexit.register(lambda: lldb.SBDebugger.Terminate())
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unittest2.main()
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