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      1 """
      2 Test lldb settings command.
      3 """
      4 
      5 import os, time
      6 import unittest2
      7 import lldb
      8 from lldbtest import *
      9 
     10 class SettingsCommandTestCase(TestBase):
     11 
     12     mydir = "settings"
     13 
     14     @classmethod
     15     def classCleanup(cls):
     16         """Cleanup the test byproducts."""
     17         cls.RemoveTempFile("output1.txt")
     18         cls.RemoveTempFile("output2.txt")
     19         cls.RemoveTempFile("stderr.txt")
     20         cls.RemoveTempFile("stdout.txt")
     21 
     22     def test_apropos_should_also_search_settings_description(self):
     23         """Test that 'apropos' command should also search descriptions for the settings variables."""
     24 
     25         self.expect("apropos 'environment variable'",
     26             substrs = ["target.env-vars",
     27                        "environment variables",
     28                        "executable's environment"])
     29 
     30     def test_append_target_env_vars(self):
     31         """Test that 'append target.run-args' works."""
     32         # Append the env-vars.
     33         self.runCmd('settings append target.env-vars MY_ENV_VAR=YES')
     34         # And add hooks to restore the settings during tearDown().
     35         self.addTearDownHook(
     36             lambda: self.runCmd("settings clear target.env-vars"))
     37 
     38         # Check it immediately!
     39         self.expect('settings show target.env-vars',
     40             substrs = ['MY_ENV_VAR=YES'])
     41 
     42     def test_insert_before_and_after_target_run_args(self):
     43         """Test that 'insert-before/after target.run-args' works."""
     44         # Set the run-args first.
     45         self.runCmd('settings set target.run-args a b c')
     46         # And add hooks to restore the settings during tearDown().
     47         self.addTearDownHook(
     48             lambda: self.runCmd("settings clear target.run-args"))
     49 
     50         # Now insert-before the index-0 element with '__a__'.
     51         self.runCmd('settings insert-before target.run-args 0 __a__')
     52         # And insert-after the index-1 element with '__A__'.
     53         self.runCmd('settings insert-after target.run-args 1 __A__')
     54         # Check it immediately!
     55         self.expect('settings show target.run-args',
     56             substrs = ['target.run-args',
     57                        '[0]: "__a__"',
     58                        '[1]: "a"',
     59                        '[2]: "__A__"',
     60                        '[3]: "b"',
     61                        '[4]: "c"'])
     62 
     63     def test_replace_target_run_args(self):
     64         """Test that 'replace target.run-args' works."""
     65         # Set the run-args and then replace the index-0 element.
     66         self.runCmd('settings set target.run-args a b c')
     67         # And add hooks to restore the settings during tearDown().
     68         self.addTearDownHook(
     69             lambda: self.runCmd("settings clear target.run-args"))
     70 
     71         # Now replace the index-0 element with 'A', instead.
     72         self.runCmd('settings replace target.run-args 0 A')
     73         # Check it immediately!
     74         self.expect('settings show target.run-args',
     75             substrs = ['target.run-args (arguments) =',
     76                        '[0]: "A"',
     77                        '[1]: "b"',
     78                        '[2]: "c"'])
     79 
     80     def test_set_prompt(self):
     81         """Test that 'set prompt' actually changes the prompt."""
     82 
     83         # Set prompt to 'lldb2'.
     84         self.runCmd("settings set prompt 'lldb2 '")
     85 
     86         # Immediately test the setting.
     87         self.expect("settings show prompt", SETTING_MSG("prompt"),
     88             startstr = 'prompt (string) = "lldb2 "')
     89 
     90         # The overall display should also reflect the new setting.
     91         self.expect("settings show", SETTING_MSG("prompt"),
     92             substrs = ['prompt (string) = "lldb2 "'])
     93 
     94         # Use '-r' option to reset to the original default prompt.
     95         self.runCmd("settings clear prompt")
     96 
     97     def test_set_term_width(self):
     98         """Test that 'set term-width' actually changes the term-width."""
     99 
    100         self.runCmd("settings set term-width 70")
    101 
    102         # Immediately test the setting.
    103         self.expect("settings show term-width", SETTING_MSG("term-width"),
    104             startstr = "term-width (int) = 70")
    105 
    106         # The overall display should also reflect the new setting.
    107         self.expect("settings show", SETTING_MSG("term-width"),
    108             substrs = ["term-width (int) = 70"])
    109 
    110     #rdar://problem/10712130
    111     def test_set_frame_format(self):
    112         """Test that 'set frame-format' with a backtick char in the format string works as well as fullpath."""
    113         self.buildDefault()
    114 
    115         exe = os.path.join(os.getcwd(), "a.out")
    116         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
    117 
    118         def cleanup():
    119             format_string = "frame #${frame.index}: ${frame.pc}{ ${module.file.basename}{`${function.name}${function.pc-offset}}}{ at ${line.file.basename}:${line.number}}\n"
    120             self.runCmd("settings set frame-format %s" % format_string, check=False)
    121 
    122         # Execute the cleanup function during test case tear down.
    123         self.addTearDownHook(cleanup)
    124 
    125         format_string = "frame #${frame.index}: ${frame.pc}{ ${module.file.basename}`${function.name-with-args}{${function.pc-offset}}}{ at ${line.file.fullpath}:${line.number}}\n"
    126         self.runCmd("settings set frame-format %s" % format_string)
    127 
    128         # Immediately test the setting.
    129         self.expect("settings show frame-format", SETTING_MSG("frame-format"),
    130             substrs = [format_string])
    131 
    132         self.runCmd("breakpoint set -n main")
    133         self.runCmd("run")
    134         self.expect("thread backtrace",
    135             substrs = ["`main", os.getcwd()])
    136 
    137     def test_set_auto_confirm(self):
    138         """Test that after 'set auto-confirm true', manual confirmation should not kick in."""
    139         self.buildDefault()
    140 
    141         exe = os.path.join(os.getcwd(), "a.out")
    142         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
    143 
    144         self.runCmd("settings set auto-confirm true")
    145 
    146         # Immediately test the setting.
    147         self.expect("settings show auto-confirm", SETTING_MSG("auto-confirm"),
    148             startstr = "auto-confirm (boolean) = true")
    149 
    150         # Now 'breakpoint delete' should just work fine without confirmation
    151         # prompt from the command interpreter.
    152         self.runCmd("breakpoint set -n main")
    153         self.expect("breakpoint delete",
    154             startstr = "All breakpoints removed")
    155 
    156         # Restore the original setting of auto-confirm.
    157         self.runCmd("settings clear auto-confirm")
    158         self.expect("settings show auto-confirm", SETTING_MSG("auto-confirm"),
    159             startstr = "auto-confirm (boolean) = false")
    160 
    161     @unittest2.skipUnless(os.uname()[4] in ['i386', 'x86_64'], "requires x86 or x86_64")
    162     def test_disassembler_settings(self):
    163         """Test that user options for the disassembler take effect."""
    164         self.buildDefault()
    165 
    166         exe = os.path.join(os.getcwd(), "a.out")
    167         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
    168 
    169         # AT&T syntax
    170         self.runCmd("settings set target.x86-disassembly-flavor att")
    171         self.runCmd("settings set target.use-hex-immediates false")
    172         self.expect("disassemble -n numberfn",
    173             substrs = ["$90"])
    174         self.runCmd("settings set target.use-hex-immediates true")
    175         self.runCmd("settings set target.hex-immediate-style c")
    176         self.expect("disassemble -n numberfn",
    177             substrs = ["$0x5a"])
    178         self.runCmd("settings set target.hex-immediate-style asm")
    179         self.expect("disassemble -n numberfn",
    180             substrs = ["$5ah"])
    181 
    182         # Intel syntax
    183         self.runCmd("settings set target.x86-disassembly-flavor intel")
    184         self.runCmd("settings set target.use-hex-immediates false")
    185         self.expect("disassemble -n numberfn",
    186             substrs = ["90"])
    187         self.runCmd("settings set target.use-hex-immediates true")
    188         self.runCmd("settings set target.hex-immediate-style c")
    189         self.expect("disassemble -n numberfn",
    190             substrs = ["0x5a"])
    191         self.runCmd("settings set target.hex-immediate-style asm")
    192         self.expect("disassemble -n numberfn",
    193             substrs = ["5ah"])
    194 
    195     @unittest2.skipUnless(sys.platform.startswith("darwin"), "requires Darwin")
    196     @dsym_test
    197     def test_run_args_and_env_vars_with_dsym(self):
    198         """Test that run-args and env-vars are passed to the launched process."""
    199         self.buildDsym()
    200         self.pass_run_args_and_env_vars()
    201 
    202     @dwarf_test
    203     def test_run_args_and_env_vars_with_dwarf(self):
    204         """Test that run-args and env-vars are passed to the launched process."""
    205         self.buildDwarf()
    206         self.pass_run_args_and_env_vars()
    207 
    208     def pass_run_args_and_env_vars(self):
    209         """Test that run-args and env-vars are passed to the launched process."""
    210         exe = os.path.join(os.getcwd(), "a.out")
    211         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
    212 
    213         # Set the run-args and the env-vars.
    214         # And add hooks to restore the settings during tearDown().
    215         self.runCmd('settings set target.run-args A B C')
    216         self.addTearDownHook(
    217             lambda: self.runCmd("settings clear target.run-args"))
    218         self.runCmd('settings set target.env-vars ["MY_ENV_VAR"]=YES')
    219         self.addTearDownHook(
    220             lambda: self.runCmd("settings clear target.env-vars"))
    221 
    222         self.runCmd("run", RUN_SUCCEEDED)
    223 
    224         # Read the output file produced by running the program.
    225         with open('output2.txt', 'r') as f:
    226             output = f.read()
    227 
    228         self.expect(output, exe=False,
    229             substrs = ["argv[1] matches",
    230                        "argv[2] matches",
    231                        "argv[3] matches",
    232                        "Environment variable 'MY_ENV_VAR' successfully passed."])
    233 
    234     def test_pass_host_env_vars(self):
    235         """Test that the host env vars are passed to the launched process."""
    236         self.buildDefault()
    237 
    238         exe = os.path.join(os.getcwd(), "a.out")
    239         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
    240 
    241         # By default, inherit-env is 'true'.
    242         self.expect('settings show target.inherit-env', "Default inherit-env is 'true'",
    243             startstr = "target.inherit-env (boolean) = true")
    244 
    245         # Set some host environment variables now.
    246         os.environ["MY_HOST_ENV_VAR1"] = "VAR1"
    247         os.environ["MY_HOST_ENV_VAR2"] = "VAR2"
    248 
    249         # This is the function to unset the two env variables set above.
    250         def unset_env_variables():
    251             os.environ.pop("MY_HOST_ENV_VAR1")
    252             os.environ.pop("MY_HOST_ENV_VAR2")
    253 
    254         self.addTearDownHook(unset_env_variables)
    255         self.runCmd("run", RUN_SUCCEEDED)
    256 
    257         # Read the output file produced by running the program.
    258         with open('output1.txt', 'r') as f:
    259             output = f.read()
    260 
    261         self.expect(output, exe=False,
    262             substrs = ["The host environment variable 'MY_HOST_ENV_VAR1' successfully passed.",
    263                        "The host environment variable 'MY_HOST_ENV_VAR2' successfully passed."])
    264 
    265     def test_set_error_output_path(self):
    266         """Test that setting target.error/output-path for the launched process works."""
    267         self.buildDefault()
    268 
    269         exe = os.path.join(os.getcwd(), "a.out")
    270         self.runCmd("file " + exe, CURRENT_EXECUTABLE_SET)
    271 
    272         # Set the error-path and output-path and verify both are set.
    273         self.runCmd("settings set target.error-path stderr.txt")
    274         self.runCmd("settings set target.output-path stdout.txt")
    275         # And add hooks to restore the original settings during tearDown().
    276         self.addTearDownHook(
    277             lambda: self.runCmd("settings clear target.output-path"))
    278         self.addTearDownHook(
    279             lambda: self.runCmd("settings clear target.error-path"))
    280 
    281         self.expect("settings show target.error-path",
    282                     SETTING_MSG("target.error-path"),
    283             startstr = 'target.error-path (file) = "stderr.txt"')
    284 
    285         self.expect("settings show target.output-path",
    286                     SETTING_MSG("target.output-path"),
    287             startstr = 'target.output-path (file) = "stdout.txt"')
    288 
    289         self.runCmd("run", RUN_SUCCEEDED)
    290 
    291         # The 'stderr.txt' file should now exist.
    292         self.assertTrue(os.path.isfile("stderr.txt"),
    293                         "'stderr.txt' exists due to target.error-path.")
    294 
    295         # Read the output file produced by running the program.
    296         with open('stderr.txt', 'r') as f:
    297             output = f.read()
    298 
    299         self.expect(output, exe=False,
    300             startstr = "This message should go to standard error.")
    301 
    302         # The 'stdout.txt' file should now exist.
    303         self.assertTrue(os.path.isfile("stdout.txt"),
    304                         "'stdout.txt' exists due to target.output-path.")
    305 
    306         # Read the output file produced by running the program.
    307         with open('stdout.txt', 'r') as f:
    308             output = f.read()
    309 
    310         self.expect(output, exe=False,
    311             startstr = "This message should go to standard out.")
    312 
    313     def test_print_dictionary_setting(self):
    314         self.runCmd ("settings clear target.env-vars")
    315         self.runCmd ("settings set target.env-vars [\"MY_VAR\"]=some-value")
    316         self.expect ("settings show target.env-vars",
    317                      substrs = [ "MY_VAR=some-value" ])
    318         self.runCmd ("settings clear target.env-vars")
    319 
    320     def test_print_array_setting(self):
    321         self.runCmd ("settings clear target.run-args")
    322         self.runCmd ("settings set target.run-args gobbledy-gook")
    323         self.expect ("settings show target.run-args",
    324                      substrs = [ '[0]: "gobbledy-gook"' ])
    325         self.runCmd ("settings clear target.run-args")
    326 
    327     def test_settings_with_quotes (self):
    328         self.runCmd ("settings clear target.run-args")
    329         self.runCmd ("settings set target.run-args a b c")
    330         self.expect ("settings show target.run-args",
    331                      substrs = [ '[0]: "a"',
    332                                  '[1]: "b"',
    333                                  '[2]: "c"' ])
    334         self.runCmd ("settings set target.run-args 'a b c'")
    335         self.expect ("settings show target.run-args",
    336                      substrs = [ '[0]: "a b c"' ])
    337         self.runCmd ("settings clear target.run-args")
    338         self.runCmd ("settings clear target.env-vars")
    339         self.runCmd ('settings set target.env-vars ["MY_FILE"]="this is a file name with spaces.txt"')
    340         self.expect ("settings show target.env-vars",
    341                      substrs = [ 'MY_FILE=this is a file name with spaces.txt' ])
    342         self.runCmd ("settings clear target.env-vars")
    343 
    344     def test_settings_with_trailing_whitespace (self):
    345         
    346         # boolean
    347         self.runCmd ("settings set target.skip-prologue true")      # Set to known value
    348         self.runCmd ("settings set target.skip-prologue false ")    # Set to new value with trailing whitespace
    349         # Make sure the setting was correctly set to "false"
    350         self.expect ("settings show target.skip-prologue", SETTING_MSG("target.skip-prologue"),
    351             startstr = "target.skip-prologue (boolean) = false")
    352         self.runCmd("settings clear target.skip-prologue", check=False)
    353         # integer
    354         self.runCmd ("settings set term-width 70")      # Set to known value
    355         self.runCmd ("settings set term-width 60 \t")   # Set to new value with trailing whitespaces
    356         self.expect ("settings show term-width", SETTING_MSG("term-width"),
    357             startstr = "term-width (int) = 60")
    358         self.runCmd("settings clear term-width", check=False)
    359         # string
    360         self.runCmd ("settings set target.arg0 abc")    # Set to known value
    361         self.runCmd ("settings set target.arg0 cde\t ") # Set to new value with trailing whitespaces
    362         self.expect ("settings show target.arg0", SETTING_MSG("target.arg0"),
    363             startstr = 'target.arg0 (string) = "cde"')
    364         self.runCmd("settings clear target.arg0", check=False)
    365         # file
    366         self.runCmd ("settings set target.output-path /bin/ls")   # Set to known value
    367         self.runCmd ("settings set target.output-path /bin/cat ") # Set to new value with trailing whitespaces
    368         self.expect ("settings show target.output-path", SETTING_MSG("target.output-path"),
    369             startstr = 'target.output-path (file) = ', substrs=['/bin/cat"'])
    370         self.runCmd("settings clear target.output-path", check=False)
    371         # enum
    372         self.runCmd ("settings set stop-disassembly-display never")   # Set to known value
    373         self.runCmd ("settings set stop-disassembly-display always ") # Set to new value with trailing whitespaces
    374         self.expect ("settings show stop-disassembly-display", SETTING_MSG("stop-disassembly-display"),
    375             startstr = 'stop-disassembly-display (enum) = always')
    376         self.runCmd("settings clear stop-disassembly-display", check=False)        
    377         # arguments
    378         self.runCmd ("settings set target.run-args 1 2 3")  # Set to known value
    379         self.runCmd ("settings set target.run-args 3 4 5 ") # Set to new value with trailing whitespaces
    380         self.expect ("settings show target.run-args", SETTING_MSG("target.run-args"),
    381             substrs = [ 'target.run-args (arguments) =', 
    382                         '[0]: "3"', 
    383                         '[1]: "4"',
    384                         '[2]: "5"' ])
    385         self.runCmd("settings clear target.run-args", check=False)        
    386         # dictionaries
    387         self.runCmd ("settings clear target.env-vars")  # Set to known value
    388         self.runCmd ("settings set target.env-vars A=B C=D\t ") # Set to new value with trailing whitespaces
    389         self.expect ("settings show target.env-vars", SETTING_MSG("target.env-vars"),
    390             substrs = [ 'target.env-vars (dictionary of strings) =', 
    391                         'A=B', 
    392                         'C=D'])
    393         self.runCmd("settings clear target.env-vars", check=False)        
    394         
    395     def test_all_settings_exist (self):
    396         self.expect ("settings show",
    397                      substrs = [ "auto-confirm",
    398                                  "frame-format",
    399                                  "notify-void",
    400                                  "prompt",
    401                                  "script-lang",
    402                                  "stop-disassembly-count",
    403                                  "stop-disassembly-display",
    404                                  "stop-line-count-after",
    405                                  "stop-line-count-before",
    406                                  "term-width",
    407                                  "thread-format",
    408                                  "use-external-editor",
    409                                  "target.default-arch",
    410                                  "target.expr-prefix",
    411                                  "target.prefer-dynamic-value",
    412                                  "target.enable-synthetic-value",
    413                                  "target.skip-prologue",
    414                                  "target.source-map",
    415                                  "target.exec-search-paths",
    416                                  "target.max-children-count",
    417                                  "target.max-string-summary-length",
    418                                  "target.breakpoints-use-platform-avoid-list",
    419                                  "target.run-args",
    420                                  "target.env-vars",
    421                                  "target.inherit-env",
    422                                  "target.input-path",
    423                                  "target.output-path",
    424                                  "target.error-path",
    425                                  "target.disable-aslr",
    426                                  "target.disable-stdio",
    427                                  "target.x86-disassembly-flavor",
    428                                  "target.use-hex-immediates",
    429                                  "target.hex-immediate-style",
    430                                  "target.process.disable-memory-cache",
    431                                  "target.process.extra-startup-command",
    432                                  "target.process.thread.step-avoid-regexp",
    433                                  "target.process.thread.trace-thread"])
    434                                  
    435         
    436 
    437 if __name__ == '__main__':
    438     import atexit
    439     lldb.SBDebugger.Initialize()
    440     atexit.register(lambda: lldb.SBDebugger.Terminate())
    441     unittest2.main()
    442