forked from OSchip/llvm-project
65 lines
2.4 KiB
Python
65 lines
2.4 KiB
Python
"""Test that forward declaration of a data structure gets resolved correctly."""
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import os, time
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import unittest2
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import lldb
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from lldbtest import *
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class ForwardDeclarationTestCase(TestBase):
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mydir = "forward"
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@unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
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def test_with_dsym_and_run_command(self):
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"""Display *bar_ptr when stopped on a function with forward declaration of struct bar."""
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self.buildDsym()
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self.forward_declaration()
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# rdar://problem/8546815
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# './dotest.py -v -t forward' fails for test_with_dwarf_and_run_command
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@unittest2.expectedFailure
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def test_with_dwarf_and_run_command(self):
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"""Display *bar_ptr when stopped on a function with forward declaration of struct bar."""
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self.buildDwarf()
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self.forward_declaration()
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def forward_declaration(self):
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"""Display *bar_ptr when stopped on a function with forward declaration of struct bar."""
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exe = os.path.join(os.getcwd(), "a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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# Break inside the foo function which takes a bar_ptr argument.
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self.expect("breakpoint set -n foo", BREAKPOINT_CREATED,
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startstr = "Breakpoint created: 1: name = 'foo', locations = 1")
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self.runCmd("run", RUN_SUCCEEDED)
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# The stop reason of the thread should be breakpoint.
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self.expect("thread list", STOPPED_DUE_TO_BREAKPOINT,
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substrs = ['state is Stopped',
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'stop reason = breakpoint'])
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# The breakpoint should have a hit count of 1.
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self.expect("breakpoint list", BREAKPOINT_HIT_ONCE,
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substrs = [' resolved, hit count = 1'])
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# This should display correctly.
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# Note that the member fields of a = 1 and b = 2 is by design.
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self.expect("frame variable -t *bar_ptr", VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ['(struct bar *) bar_ptr = ',
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'(int) a = 1',
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'(int) b = 2'])
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# And so should this.
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self.expect("expr *bar_ptr", VARIABLES_DISPLAYED_CORRECTLY,
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substrs = ['(struct bar)',
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'(int) a = 1',
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'(int) b = 2'])
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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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