# Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
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# Copyright 2006, 2007, 2008 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# (at your option) any later version.
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#
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#
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# This program is distributed in the hope that it will be useful,
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# GNU General Public License for more details.
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#
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#
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# You should have received a copy of the GNU General Public License
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see .
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# along with this program. If not, see .
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# This test checks that the if .. else .. end construct works and may
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# This test checks that the if .. else .. end construct works and may
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# contain empty bodies without crashing.
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# contain empty bodies without crashing.
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if $tracelevel then {
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if $tracelevel then {
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strace $tracelevel
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strace $tracelevel
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}
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}
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gdb_exit
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gdb_exit
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gdb_start
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gdb_start
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# First test that the if command works with an empty body
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# First test that the if command works with an empty body
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# Test with different conditions because the body is ignored
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# Test with different conditions because the body is ignored
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# if it is not executed.
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# if it is not executed.
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# with true condition
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# with true condition
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set message "if 1 with empty body"
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set message "if 1 with empty body"
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gdb_test_multiple "if 1\nend" $message {
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gdb_test_multiple "if 1\nend" $message {
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-re "$gdb_prompt $" {pass $message}
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-re "$gdb_prompt $" {pass $message}
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eof {
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eof {
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fail "$message (crashed)"
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fail "$message (crashed)"
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gdb_exit
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gdb_exit
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gdb_start
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gdb_start
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}
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}
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}
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}
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# with false condition
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# with false condition
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set message "if 0 with empty body"
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set message "if 0 with empty body"
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gdb_test_multiple "if 0\nend" $message {
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gdb_test_multiple "if 0\nend" $message {
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-re "$gdb_prompt $" {pass $message}
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-re "$gdb_prompt $" {pass $message}
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eof {
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eof {
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fail "$message (crashed)"
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fail "$message (crashed)"
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gdb_exit
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gdb_exit
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gdb_start
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gdb_start
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}
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}
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}
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}
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# Second, do the same tests with an empty else body.
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# Second, do the same tests with an empty else body.
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# This fails in GDB <=6.5
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# This fails in GDB <=6.5
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# Unfortunately it was an uninitialised memory problem so
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# Unfortunately it was an uninitialised memory problem so
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# sometimes it just works. Preceed it with an if else end with
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# sometimes it just works. Preceed it with an if else end with
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# bodies and hopefully the memory with be dirty and the problem
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# bodies and hopefully the memory with be dirty and the problem
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# will show itself (this works at time of writing).
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# will show itself (this works at time of writing).
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gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" ""
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gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" ""
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# with true condition
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# with true condition
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set message "if 1 .. else with empty body"
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set message "if 1 .. else with empty body"
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gdb_test_multiple "if 1\nelse\nend" $message {
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gdb_test_multiple "if 1\nelse\nend" $message {
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-re "$gdb_prompt $" {pass $message}
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-re "$gdb_prompt $" {pass $message}
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eof {
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eof {
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fail "$message (crashed)"
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fail "$message (crashed)"
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gdb_exit
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gdb_exit
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gdb_start
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gdb_start
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}
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}
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}
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}
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# dirty memory
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# dirty memory
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gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" ""
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gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" ""
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# with false condition
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# with false condition
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set message "if 0 .. else with empty body"
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set message "if 0 .. else with empty body"
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gdb_test_multiple "if 0\nelse\nend" $message {
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gdb_test_multiple "if 0\nelse\nend" $message {
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-re "$gdb_prompt $" {pass $message}
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-re "$gdb_prompt $" {pass $message}
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eof {
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eof {
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fail "$message (crashed)"
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fail "$message (crashed)"
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gdb_exit
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gdb_exit
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gdb_start
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gdb_start
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}
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}
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}
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}
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gdb_test "set confirm off" "" ""
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gdb_test "set confirm off" "" ""
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# Test that a define with an empty else can be replaced.
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# Test that a define with an empty else can be replaced.
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# If there is memory corruption then free will fail.
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# If there is memory corruption then free will fail.
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# dirty memory
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# dirty memory
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gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" ""
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gdb_test "if 1\necho true\\n\nelse\necho false\\n\nend" "true" ""
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# create
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# create
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gdb_test "define abc\nif 1\nelse\nend\nend" "" "create define with empty else"
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gdb_test "define abc\nif 1\nelse\nend\nend" "" "create define with empty else"
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# call (note that condition is 1 so should pass)
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# call (note that condition is 1 so should pass)
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gdb_test "abc" "" "call original define"
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gdb_test "abc" "" "call original define"
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# replace
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# replace
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set message "replace define with if .. else with empty body"
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set message "replace define with if .. else with empty body"
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gdb_test_multiple "define abc\necho got here\\n\nend" $message {
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gdb_test_multiple "define abc\necho got here\\n\nend" $message {
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-re "$gdb_prompt $" {pass $message}
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-re "$gdb_prompt $" {pass $message}
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eof {fail "$message (crashed)"}
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eof {fail "$message (crashed)"}
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}
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}
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# call
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# call
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gdb_test "abc" "got here" "call replacement define"
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gdb_test "abc" "got here" "call replacement define"
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