4cc8f2a017
Eliminate boilerplate of having each test manually assign to `mydir` by calling `compute_mydir` in lldbtest.py. Differential Revision: https://reviews.llvm.org/D128077
87 lines
3.3 KiB
Python
87 lines
3.3 KiB
Python
"""
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Test the 'memory region' command.
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"""
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import lldb
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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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class MemoryCommandRegion(TestBase):
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NO_DEBUG_INFO_TESTCASE = True
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def setUp(self):
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TestBase.setUp(self)
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# Find the line number to break for main.c.
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self.line = line_number(
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'main.cpp',
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'// Run here before printing memory regions')
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def test_help(self):
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""" Test that help shows you must have one of address or --all, not both."""
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self.expect("help memory region",
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substrs=["memory region <address-expression>",
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"memory region -a"])
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def test(self):
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self.build()
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# Set breakpoint in main and run
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self.runCmd("file " + self.getBuildArtifact("a.out"), CURRENT_EXECUTABLE_SET)
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lldbutil.run_break_set_by_file_and_line(
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self, "main.cpp", self.line, num_expected_locations=-1, loc_exact=True)
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self.runCmd("run", RUN_SUCCEEDED)
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interp = self.dbg.GetCommandInterpreter()
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result = lldb.SBCommandReturnObject()
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# Test that the first 'memory region' command prints the usage.
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interp.HandleCommand("memory region", result)
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self.assertFalse(result.Succeeded())
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self.assertEqual(result.GetError(),
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"error: 'memory region' takes one argument or \"--all\" option:\n"
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"Usage: memory region <address-expression> (or --all)\n")
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# We allow --all or an address argument, not both
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interp.HandleCommand("memory region --all 0", result)
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self.assertFalse(result.Succeeded())
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self.assertRegexpMatches(result.GetError(),
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"The \"--all\" option cannot be used when an address argument is given")
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# Test that when the address fails to parse, we show an error and do not continue
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interp.HandleCommand("memory region not_an_address", result)
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self.assertFalse(result.Succeeded())
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self.assertEqual(result.GetError(),
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"error: invalid address argument \"not_an_address\": address expression \"not_an_address\" evaluation failed\n")
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# Accumulate the results to compare with the --all output
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all_regions = ""
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# Now let's print the memory region starting at 0 which should always work.
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interp.HandleCommand("memory region 0x0", result)
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self.assertTrue(result.Succeeded())
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self.assertRegexpMatches(result.GetOutput(), "\\[0x0+-")
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all_regions += result.GetOutput()
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# Keep printing memory regions until we printed all of them.
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while True:
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interp.HandleCommand("memory region", result)
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if not result.Succeeded():
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break
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all_regions += result.GetOutput()
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# Now that we reached the end, 'memory region' should again print the usage.
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interp.HandleCommand("memory region", result)
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self.assertFalse(result.Succeeded())
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self.assertRegexpMatches(result.GetError(), "Usage: memory region <address\-expression> \(or \-\-all\)")
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# --all should match what repeating the command gives you
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interp.HandleCommand("memory region --all", result)
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self.assertTrue(result.Succeeded())
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self.assertEqual(result.GetOutput(), all_regions)
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