gdb/testsuite/gdb.python/python.exp

   1 # Copyright (C) 2008, 2009, 2010 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 set testfile "python"
  24 set srcfile  ${testfile}.c
  25 set srcfile1  ${testfile}-1.c
  26 set binfile  ${objdir}/${subdir}/${testfile}
  27
  28 if { [gdb_compile "${srcdir}/${subdir}/${srcfile} ${srcdir}/${subdir}/${srcfile1}" \
  29           ${binfile} executable {debug}] != "" } {
  30     untested "Could not compile $binfile."
  31     return -1
  32 }
  33
  34 # Start with a fresh gdb.
  35 gdb_exit
  36 gdb_start
  37 gdb_reinitialize_dir $srcdir/$subdir
  38
  39 # Skip all tests if Python scripting is not enabled.
  40 if { [skip_python_tests] } { continue }
  41
  42 # Run a command in GDB, and report a failure if a Python exception is thrown.
  43 # If report_pass is true, report a pass if no exception is thrown.
  44 proc gdb_py_test_silent_cmd {cmd name report_pass} {
  45     global gdb_prompt
  46
  47   gdb_test_multiple $cmd $name {
  48       -re "Traceback.*$gdb_prompt $"  { fail $name }
  49       -re "$gdb_prompt $"             { if $report_pass { pass $name } }
  50   }
  51 }
  52
  53 gdb_test_multiple "python print 23" "verify python support" {
  54     -re "not supported.*$gdb_prompt $"  {
  55       unsupported "python support is disabled"
  56
  57       # If Python is not supported, verify that sourcing a python script
  58       # causes an error.
  59       gdb_test "source $srcdir/$subdir/source2.py" "Error in sourced command file:.*"
  60       return -1
  61     }
  62     -re "$gdb_prompt $" {}
  63 }
  64
  65 # Usage: gdb_py_test_multiple NAME INPUT RESULT {INPUT RESULT}...
  66 # Run a test named NAME, consisting of multiple lines of input.
  67 # After each input line INPUT, search for result line RESULT.
  68 # Succeed if all results are seen; fail otherwise.
  69 proc gdb_py_test_multiple {name args} {
  70     global gdb_prompt
  71     foreach {input result} $args {
  72         if {[gdb_test_multiple $input "$name - $input" {
  73             -re "\[\r\n\]*($result)\[\r\n\]+($gdb_prompt | *>)$" {
  74                 pass "$name - $input"
  75             }
  76         }]} {
  77             return 1
  78         }
  79     }
  80     return 0
  81 }
  82
  83 gdb_py_test_multiple "multi-line python command" \
  84   "python" "" \
  85   "print 23" "" \
  86   "end" "23"
  87
  88 gdb_py_test_multiple "show python command" \
  89   "define zzq" "Type commands for definition of .* just \"end\"\\.*" \
  90   "python" "" \
  91   "print 23" "" \
  92   "end" "" \
  93   "end" "" \
  94   "show user zzq" "User command \"zzq\":.*  python.*print 23.*  end"
  95
  96 gdb_py_test_multiple "indented multi-line python command" \
  97   "python" "" \
  98   "def foo ():" "" \
  99   "  print 'hello, world!'" "" \
 100   "foo ()" "" \
 101   "end" "hello, world!"
 102
 103 gdb_test "source $srcdir/$subdir/source2.py" "yes"
 104
 105 gdb_test "python print gdb.current_objfile()" "None"
 106 gdb_test "python print gdb.objfiles()" "\\\[\\\]"
 107
 108 # Test http://bugs.python.org/issue4434 workaround in configure.ac
 109 gdb_test "python import itertools; print 'IMPOR'+'TED'" "IMPORTED" "pythonX.Y/lib-dynload/*.so"
 110
 111 gdb_test_no_output \
 112     "python x = gdb.execute('printf \"%d\", 23', to_string = True)"
 113 gdb_test "python print x" "23"
 114
 115 # Test post_event.
 116 gdb_py_test_multiple "post event insertion" \
 117   "python" "" \
 118   "someVal = 0" "" \
 119   "class Foo(object):" "" \
 120   "  def __call__(self):" "" \
 121   "    global someVal" "" \
 122   "    someVal += 1" "" \
 123   "gdb.post_event(Foo())" "" \
 124   "end" ""
 125
 126 gdb_test "python print someVal" "1" "test post event execution"
 127 gdb_test "python gdb.post_event(str(1))" "RuntimeError: Posted event is not callable.*" "Test non callable class"
 128
 129 # Test (no) pagination of the executed command.
 130 gdb_test "show height" {Number of lines gdb thinks are in a page is unlimited\.}
 131 set lines 10
 132 gdb_test_no_output "set height $lines"
 133
 134 set test "verify pagination beforehand"
 135 gdb_test_multiple "python print \"\\n\" * $lines" $test {
 136     -re "---Type <return> to continue, or q <return> to quit---$" {
 137         pass $test
 138     }
 139 }
 140 gdb_test "q" "Quit" "verify pagination beforehand: q"
 141
 142 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"
 143
 144 set test "verify pagination afterwards"
 145 gdb_test_multiple "python print \"\\n\" * $lines" $test {
 146     -re "---Type <return> to continue, or q <return> to quit---$" {
 147         pass $test
 148     }
 149 }
 150 gdb_test "q" "Quit" "verify pagination afterwards: q"
 151
 152 gdb_test_no_output "set height 0"
 153
 154 gdb_test_no_output "python a = gdb.execute('help', to_string=True)" "collect help from uiout"
 155
 156 gdb_test "python print a" ".*aliases -- Aliases of other commands.*" "verify help to uiout"
 157
 158 # Start with a fresh gdb.
 159 clean_restart ${testfile}
 160
 161 # The following tests require execution.
 162
 163 if ![runto_main] then {
 164     fail "Can't run to main"
 165     return 0
 166 }
 167
 168 runto [gdb_get_line_number "Break to end."]
 169
 170 # Test gdb.decode_line.
 171 gdb_test "python gdb.decode_line(\"main.c:43\")" \
 172     "RuntimeError: No source file named main.c.*" "test decode_line no source named main"
 173
 174 gdb_py_test_silent_cmd "python symtab = gdb.decode_line()" "test decode_line current location" 1
 175 gdb_test "python print len(symtab)" "2" "Test decode_line current location"
 176 gdb_test "python print symtab\[0\]" "None" "Test decode_line expression parse"
 177 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line current location"
 178 gdb_test "python print symtab\[1\]\[0\].symtab" "gdb/testsuite/gdb.python/python.c.*" "Test decode_line current locationn filename"
 179 gdb_test "python print symtab\[1\]\[0\].line" "22" "Test decode_line current location line number"
 180
 181 gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"python.c:26 if foo\")" "test decode_line python.c:26" 1
 182 gdb_test "python print len(symtab)" "2" "Test decode_line python.c:26 length"
 183 gdb_test "python print symtab\[0\]" "if foo" "Test decode_line expression parse"
 184 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line python.c:26 length"
 185 gdb_test "python print symtab\[1\]\[0\].symtab" "gdb/testsuite/gdb.python/python.c.*" "Test decode_line python.c:26 filename"
 186 gdb_test "python print symtab\[1\]\[0\].line" "26" "Test decode_line python.c:26 line number"
 187
 188 gdb_test "python gdb.decode_line(\"randomfunc\")" \
 189     "RuntimeError: Function \"randomfunc\" not defined.*" "test decode_line randomfunc"
 190 gdb_py_test_silent_cmd "python symtab = gdb.decode_line(\"func1\")" "test decode_line func1()" 1
 191 gdb_test "python print len(symtab)" "2" "Test decode_line func1 length"
 192 gdb_test "python print len(symtab\[1\])" "1" "Test decode_line func1 length"
 193 gdb_test "python print symtab\[1\]\[0\].symtab" "gdb/testsuite/gdb.python/python-1.c.*" "Test decode_line func1 filename"
 194 gdb_test "python print symtab\[1\]\[0\].line" "19" "Test decode_line func1 line number"