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51 lines
1.8 KiB
Python
51 lines
1.8 KiB
Python
"""
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Test DIL pointer arithmetic.
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"""
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import lldb
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from lldbsuite.test.lldbtest import *
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from lldbsuite.test.decorators import *
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from lldbsuite.test import lldbutil
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class TestFrameVarDILGlobalVariableLookup(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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def expect_var_path(self, expr, compare_to_framevar=False, value=None, type=None):
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value_dil = super().expect_var_path(expr, value=value, type=type)
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if compare_to_framevar:
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self.runCmd("settings set target.experimental.use-DIL false")
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value_frv = super().expect_var_path(expr, value=value, type=type)
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self.runCmd("settings set target.experimental.use-DIL true")
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self.assertEqual(value_dil.GetValue(), value_frv.GetValue())
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def test_dereference(self):
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self.build()
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lldbutil.run_to_source_breakpoint(
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self, "Set a breakpoint here", lldb.SBFileSpec("main.cpp")
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)
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self.runCmd("settings set target.experimental.use-DIL true")
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self.expect_var_path("*p_int0", True, value="0")
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self.expect_var_path("*cp_int5", True, value="5")
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self.expect_var_path("*rcp_int0", True, type="const int *")
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self.expect_var_path("*offset_p", True, value="5")
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self.expect_var_path("*offset_pref", True, type="int *")
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self.expect_var_path("**pp_int0", value="0")
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self.expect_var_path("&**pp_int0", type="int *")
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self.expect(
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"frame var '*array'",
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error=True,
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substrs=["not a pointer or reference type"],
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)
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self.expect(
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"frame var '&*p_null'",
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error=True,
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substrs=["doesn't have a valid address"],
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)
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self.expect(
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"frame var '&*p_void'",
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error=True,
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substrs=["dereference failed: (void *) p_void"],
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)
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