gdb/testsuite/gdb.python/python.exp

   1 # Copyright (C) 2008, 2009, 2010, 2011 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file is part of the GDB testsuite.  It tests the mechanism
  17 # exposing values to Python.
  18
  19 if $tracelevel then {
  20     strace $tracelevel
  21 }
  22
  23 load_lib gdb-python.exp
  24
  25 set testfile "python"
  26 set srcfile  ${testfile}.c
  27 set srcfile1  ${testfile}-1.c
  28 set binfile  ${objdir}/${subdir}/${testfile}
  29
  30 if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${srcdir}/${subdir}/${srcfile1}" \
  31           ${binfile} executable {debug}] != "" } {
  32     untested "Could not compile $binfile."
  33     return -1
  34 }
  35
  36 # Start with a fresh gdb.
  37 gdb_exit
  38 gdb_start
  39 gdb_reinitialize_dir $srcdir/$subdir
  40
  41 # Skip all tests if Python scripting is not enabled.
  42 if { [skip_python_tests] } { continue }
  43
  44 gdb_test_multiple "python print 23" "verify python support" {
  45     -re "not supported.*$gdb_prompt $"  {
  46       unsupported "python support is disabled"
  47
  48       # If Python is not supported, verify that sourcing a python script
  49       # causes an error.
  50       gdb_test "source $srcdir/$subdir/source2.py" "Error in sourced command file:.*"
  51       return -1
  52     }
  53     -re "$gdb_prompt $" {}
  54 }
  55
  56 gdb_py_test_multiple "multi-line python command" \
  57   "python" "" \
  58   "print 23" "" \
  59   "end" "23"
  60
  61 gdb_py_test_multiple "show python command" \
  62   "define zzq" "Type commands for definition of .* just \"end\"\\.*" \
  63   "python" "" \
  64   "print 23" "" \
  65   "end" "" \
  66   "end" "" \
  67   "show user zzq" "User command \"zzq\":.*  python.*print 23.*  end"
  68
  69 gdb_py_test_multiple "indented multi-line python command" \
  70   "python" "" \
  71   "def foo ():" "" \
  72   "  print 'hello, world!'" "" \
  73   "foo ()" "" \
  74   "end" "hello, world!"
  75
  76 gdb_test "source $srcdir/$subdir/source2.py" "yes"
  77
  78 gdb_test "python print gdb.current_objfile()" "None"
  79 gdb_test "python print gdb.objfiles()" "\\\[\\\]"
  80
  81 # Test http://bugs.python.org/issue4434 workaround in configure.ac
  82 gdb_test "python import itertools; print 'IMPOR'+'TED'" "IMPORTED" "pythonX.Y/lib-dynload/*.so"
  83
  84 gdb_test_no_output \
  85     "python x = gdb.execute('printf \"%d\", 23', to_string = True)"
  86 gdb_test "python print x" "23"
  87
  88 # Test post_event.
  89 gdb_py_test_multiple "post event insertion" \
  90   "python" "" \
  91   "someVal = 0" "" \
  92   "class Foo(object):" "" \
  93   "  def __call__(self):" "" \
  94   "    global someVal" "" \
  95   "    someVal += 1" "" \
  96   "gdb.post_event(Foo())" "" \
  97   "end" ""
  98
  99 gdb_test "python print someVal" "1" "test post event execution"
 100 gdb_test "python gdb.post_event(str(1))" "RuntimeError: Posted event is not callable.*" "Test non callable class"
 101
 102 # Test (no) pagination of the executed command.
 103 gdb_test "show height" {Number of lines gdb thinks are in a page is unlimited\.}
 104 set lines 10
 105 gdb_test_no_output "set height $lines"
 106
 107 set test "verify pagination beforehand"
 108 gdb_test_multiple "python print \"\\n\" * $lines" $test {
 109     -re "---Type <return> to continue, or q <return> to quit---$" {
 110         pass $test
 111     }
 112 }
 113 gdb_test "q" "Quit" "verify pagination beforehand: q"
 114
 115 gdb_test "python if gdb.execute('python print \"\\\\n\" * $lines', to_string=True) == \"\\n\" * [expr $lines + 1]: print \"yes\"" "yes" "gdb.execute does not page"
 116
 117 set test "verify pagination afterwards"
 118 gdb_test_multiple "python print \"\\n\" * $lines" $test {
 119     -re "---Type <return> to continue, or q <return> to quit---$" {
 120         pass $test
 121     }
 122 }
 123 gdb_test "q" "Quit" "verify pagination afterwards: q"
 124
 125 gdb_test_no_output "set height 0"
 126
 127 gdb_test_no_output "python a = gdb.execute('help', to_string=True)" "collect help from uiout"
 128
 129 gdb_test "python print a" ".*aliases -- Aliases of other commands.*" "verify help to uiout"
 130
 131 # Test PR 12212, using InfThread.selected_thread() when no inferior is
 132 # loaded.
 133 gdb_py_test_silent_cmd "python nothread = gdb.selected_thread()" "Attempt to aquire thread with no inferior" 1
 134 gdb_test "python print nothread == None" "True" "Ensure that no threads are returned"
 135
 136 # Start with a fresh gdb.
 137 clean_restart ${testfile}
 138
 139 # The following tests require execution.
 140
 141 if ![runto_main] then {
 142     fail "Can't run to main"
 143     return 0
 144 }
 145
 146 runto [gdb_get_line_number "Break to end."]
 147
 148 # Test gdb.decode_line.
 149 gdb_test "python gdb.decode_line(\"main.c:43\")" \
 150     "gdb.error: No source file named main.c.*" "test decode_line no source named main"
 151
 152 gdb_py_test_silent_cmd "python symtab = gdb.decode_line()" "test decode_line current location" 1
 153 gdb_test "python print len(symtab)" "2" "Test decode_line current location"
 154 gdb_test "python print symtab\[0\]" "None" "Test decode_line expression parse"
 155 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line current location"
 156 gdb_test "python print symtab\[1\]\[0\].symtab" "gdb/testsuite/gdb.python/python.c.*" "Test decode_line current locationn filename"
 157 gdb_test "python print symtab\[1\]\[0\].line" "22" "Test decode_line current location line number"
 158
 159 gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"python.c:26 if foo\")" "test decode_line python.c:26" 1
 160 gdb_test "python print len(symtab)" "2" "Test decode_line python.c:26 length"
 161 gdb_test "python print symtab\[0\]" "if foo" "Test decode_line expression parse"
 162 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line python.c:26 length"
 163 gdb_test "python print symtab\[1\]\[0\].symtab" "gdb/testsuite/gdb.python/python.c.*" "Test decode_line python.c:26 filename"
 164 gdb_test "python print symtab\[1\]\[0\].line" "26" "Test decode_line python.c:26 line number"
 165
 166 gdb_test "python gdb.decode_line(\"randomfunc\")" \
 167     "gdb.error: Function \"randomfunc\" not defined.*" "test decode_line randomfunc"
 168 gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"func1\")" "test decode_line func1()" 1
 169 gdb_test "python print len(symtab)" "2" "Test decode_line func1 length"
 170 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line func1 length"
 171 gdb_test "python print symtab\[1\]\[0\].symtab" "gdb/testsuite/gdb.python/python-1.c.*" "Test decode_line func1 filename"
 172 gdb_test "python print symtab\[1\]\[0\].line" "19" "Test decode_line func1 line number"