forked from OSchip/llvm-project
152 lines
5.8 KiB
Python
152 lines
5.8 KiB
Python
"""
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Test some lldb help commands.
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See also CommandInterpreter::OutputFormattedHelpText().
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"""
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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 HelpCommandTestCase(TestBase):
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mydir = "help"
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def test_simplehelp(self):
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"""A simple test of 'help' command and its output."""
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self.expect("help",
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startstr = 'The following is a list of built-in, permanent debugger commands')
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self.expect("help", matching=False,
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substrs = ['next'])
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self.expect("help -a", matching=True,
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substrs = ['next'])
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def test_help_on_help(self):
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"""Testing the help on the help facility."""
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self.expect("help help", matching=True,
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substrs = ['--show-aliases',
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'--hide-user-commands'])
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def version_number_string(self):
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"""Helper function to find the version number string of lldb."""
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plist = os.path.join(os.environ["LLDB_SRC"], "resources", "LLDB-Info.plist")
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try:
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CFBundleVersionSegFound = False
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with open(plist, 'r') as f:
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for line in f:
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if CFBundleVersionSegFound:
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version_line = line.strip()
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import re
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m = re.match("<string>(.*)</string>", version_line)
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if m:
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version = m.group(1)
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return version
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else:
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# Unsuccessful, let's juts break out of the for loop.
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break
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if line.find("<key>CFBundleVersion</key>") != -1:
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# Found our match. The next line contains our version
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# string, for example:
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#
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# <string>38</string>
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CFBundleVersionSegFound = True
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except:
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# Just fallthrough...
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import traceback
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traceback.print_exc()
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pass
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# Use None to signify that we are not able to grok the version number.
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return None
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def test_help_arch(self):
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"""Test 'help arch' which should list of supported architectures."""
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self.expect("help arch",
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substrs = ['arm', 'x86_64', 'i386'])
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def test_help_version(self):
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"""Test 'help version' and 'version' commands."""
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self.expect("help version",
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substrs = ['Show version of LLDB debugger.'])
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version_str = self.version_number_string()
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import re
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match = re.match('[0-9]+', version_str)
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self.expect("version",
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patterns = ['LLDB-' + (version_str if match else '[0-9]+')])
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def test_help_should_not_crash_lldb(self):
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"""Command 'help disasm' should not crash lldb."""
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self.runCmd("help disasm", check=False)
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self.runCmd("help unsigned-integer")
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def test_help_should_not_hang_emacsshell(self):
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"""Command 'settings set term-width 0' should not hang the help command."""
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self.expect("settings set term-width 0",
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COMMAND_FAILED_AS_EXPECTED, error=True,
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substrs = ['error: 0 is out of range, valid values must be between'])
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# self.runCmd("settings set term-width 0")
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self.expect("help",
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startstr = 'The following is a list of built-in, permanent debugger commands')
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def test_help_breakpoint_set(self):
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"""Test that 'help breakpoint set' does not print out redundant lines of:
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'breakpoint set [-s <shlib-name>] ...'."""
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self.expect("help breakpoint set", matching=False,
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substrs = ['breakpoint set [-s <shlib-name>]'])
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def test_help_image_dump_symtab_should_not_crash(self):
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"""Command 'help image dump symtab' should not crash lldb."""
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# 'image' is an alias for 'target modules'.
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self.expect("help image dump symtab",
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substrs = ['dump symtab',
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'sort-order'])
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def test_help_image_du_sym_is_ambiguous(self):
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"""Command 'help image du sym' is ambiguous and spits out the list of candidates."""
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self.expect("help image du sym",
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COMMAND_FAILED_AS_EXPECTED, error=True,
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substrs = ['error: ambiguous command image du sym',
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'symfile',
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'symtab'])
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def test_help_image_du_line_should_work(self):
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"""Command 'help image du line' is not ambiguous and should work."""
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# 'image' is an alias for 'target modules'.
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self.expect("help image du line",
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substrs = ['Dump the debug symbol file for one or more target modules'])
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def test_help_target_variable_syntax(self):
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"""Command 'help target variable' should display <variable-name> ..."""
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self.expect("help target variable",
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substrs = ['<variable-name> [<variable-name> [...]]'])
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def test_help_watchpoint_and_its_args(self):
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"""Command 'help watchpoint', 'help watchpt-id', and 'help watchpt-id-list' should work."""
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self.expect("help watchpoint",
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substrs = ['delete', 'disable', 'enable', 'list'])
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self.expect("help watchpt-id",
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substrs = ['<watchpt-id>'])
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self.expect("help watchpt-id-list",
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substrs = ['<watchpt-id-list>'])
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def test_help_watchpoint_set(self):
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"""Test that 'help watchpoint set' prints out 'expression' and 'variable'
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as the possible subcommands."""
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self.expect("help watchpoint set",
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substrs = ['The following subcommands are supported:'],
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patterns = ['expression +--',
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'variable +--'])
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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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