70 lines
2 KiB
Python
70 lines
2 KiB
Python
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"""
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Test that objective-c expression parser continues to work for optimized build.
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Fixed a bug in the expression parser where the 'this'
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or 'self' variable was not properly read if the compiler
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optimized it into a register.
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"""
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import lldb
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import re
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from lldbsuite.test.decorators import *
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test import lldbutil
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# rdar://problem/9087739
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# test failure: objc_optimized does not work for "-C clang -A i386"
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class ObjcOptimizedTestCase(TestBase):
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myclass = "MyClass"
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mymethod = "description"
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method_spec = "-[%s %s]" % (myclass, mymethod)
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@expectedFailureAll(remote=True)
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def test_break(self):
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"""Test 'expr member' continues to work for optimized build."""
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self.build()
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exe = self.getBuildArtifact("a.out")
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self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_symbol(
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self, self.method_spec, num_expected_locations=1, sym_exact=True
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)
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self.runCmd("run", RUN_SUCCEEDED)
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self.expect(
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"thread backtrace",
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STOPPED_DUE_TO_BREAKPOINT,
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substrs=["stop reason = breakpoint"],
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patterns=["frame.*0:.*%s %s" % (self.myclass, self.mymethod)],
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)
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self.expect("expression member", startstr="(int) $0 = 5")
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# <rdar://problem/12693963>
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interp = self.dbg.GetCommandInterpreter()
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result = lldb.SBCommandReturnObject()
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interp.HandleCommand("frame variable self", result)
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output = result.GetOutput()
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desired_pointer = "0x0"
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mo = re.search("0x[0-9a-f]+", output)
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if mo:
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desired_pointer = mo.group(0)
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self.expect(
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"expression (self)",
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substrs=[("(%s *) $1 = " % self.myclass), desired_pointer],
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)
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self.expect(
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"expression self->non_member",
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error=True,
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substrs=["does not have a member named 'non_member'"],
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)
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