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fbcda57701
Currently, breakpoint locations that are enabled while their parent breakpoint is disabled are displayed with "y" in the Enb colum of "info breakpoints": (gdb) info breakpoints Num Type Disp Enb Address What 1 breakpoint keep n <MULTIPLE> 1.1 y 0x00000000000011b6 in ... 1.2 y 0x00000000000011c2 in ... 1.3 n 0x00000000000011ce in ... Such locations won't trigger a break, so to avoid confusion, show "y-" instead. For example: (gdb) info breakpoints Num Type Disp Enb Address What 1 breakpoint keep n <MULTIPLE> 1.1 y- 0x00000000000011b6 in ... 1.2 y- 0x00000000000011c2 in ... 1.3 n 0x00000000000011ce in ... The "-" sign is inspired on how the TUI represents breakpoints on the left side of the source window, with "b-" for a disabled breakpoint. Change-Id: I9952313743c51bf21b4b380c72360ef7d4396a09
250 lines
8.5 KiB
Plaintext
250 lines
8.5 KiB
Plaintext
# Copyright 2017-2022 Free Software Foundation, Inc.
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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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# 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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#
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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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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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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 <http://www.gnu.org/licenses/>.
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# This file is part of the gdb testsuite.
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# Test the enable/disable commands with breakpoint location ranges.
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# Note: more tests involving involving disable/enable commands on
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# multiple locations and breakpoints are found in
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# gdb.base/ena-dis-br.exp.
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if { [skip_cplus_tests] } { continue }
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standard_testfile .cc
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if {[prepare_for_testing "failed to prepare" $testfile $srcfile {debug c++}]} {
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return -1
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}
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if ![runto 'marker'] then {
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return -1
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}
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# Returns a buffer corresponding to what GDB replies when asking for
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# 'info breakpoint'. The parameters are all the existing breakpoints
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# enabled/disable value: 'n' or 'y'.
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proc make_info_breakpoint_reply_re {b1 b2 b21 b22 b23 b24} {
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set ws "\[\t \]+"
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return [multi_line \
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"Num Type${ws}Disp Enb Address${ws}What.*" \
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"1${ws}breakpoint keep ${b1}${ws}.* in marker\\(\\) at .*" \
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"${ws}breakpoint already hit 1 time.*" \
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"2${ws}breakpoint${ws}keep${ws}${b2}${ws}<MULTIPLE>.*" \
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"2.1${ws}${b21}${ws}.*" \
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"2.2${ws}${b22}${ws}.*" \
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"2.3${ws}${b23}${ws}.*" \
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"2.4${ws}${b24}${ws}.*" \
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]
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}
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gdb_test "break foo::overload" \
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"Breakpoint \[0-9\]+ at $hex: foo::overload. .4 locations." \
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"set breakpoint at overload"
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gdb_test "info break" [make_info_breakpoint_reply_re y y y y y y] \
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"breakpoint info"
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# Test the enable/disable commands, and check the enable/disable state
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# of the breakpoints/locations in the "info break" output. CMD is the
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# actual disable/enable command. The bNN parameters are the same as
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# make_info_breakpoint_reply_re's.
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proc test_enable_disable {cmd b1 b2 b21 b22 b23 b24} {
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gdb_test_no_output $cmd
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set re [make_info_breakpoint_reply_re $b1 $b2 $b21 $b22 $b23 $b24]
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gdb_test "info break" $re "breakpoint info $cmd"
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}
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# Check that we can disable/enable a breakpoint with a single
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# location.
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test_enable_disable "disable 1" n y y y y y
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test_enable_disable "enable 1" y y y y y y
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# Check that we can disable/enable a breakpoint with multiple
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# locations.
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test_enable_disable "disable 2" y n y- y- y- y-
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test_enable_disable "enable 2" y y y y y y
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# Check that we can disable/enable a range of breakpoints.
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test_enable_disable "disable 1-2" n n y- y- y- y-
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test_enable_disable "enable 1-2" y y y y y y
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# Check that we can disable/enable a list of breakpoints.
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test_enable_disable "disable 1 2" n n y- y- y- y-
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test_enable_disable "enable 1 2" y y y y y y
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# Check that we can disable/enable a single location breakpoint.
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test_enable_disable "disable 2.2" y y y n y y
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test_enable_disable "enable 2.2" y y y y y y
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# Check that we can disable/enable a range of breakpoint locations.
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test_enable_disable "disable 2.2-3" y y y n n y
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test_enable_disable "enable 2.2-3" y y y y y y
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# Check that we can disable/enable a breakpoint location range with
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# START==END.
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test_enable_disable "disable 2.2-2" y y y n y y
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test_enable_disable "enable 2.2-2" y y y y y y
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# Check that we can disable/enable a list of breakpoints that
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# includes some elements with location ranges and others without.
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test_enable_disable "disable 1 2.1 2.3-4" n y n y n n
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test_enable_disable "enable 1 2.1 2.3-4" y y y y y y
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# Check that we can disable a location breakpoint range with max >
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# existing breakpoint location.
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gdb_test "disable 2.3-5" "Bad breakpoint location number '5'" \
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"disable location breakpoint range with max > existing"
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gdb_test "info break" [make_info_breakpoint_reply_re y y y y n n] \
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"breakpoint info disable 2.3 to 2.5"
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# Check that we can enable a location breakpoint range with max >
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# existing breakpoint location.
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gdb_test "enable 2.3-5" "Bad breakpoint location number '5'" \
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"enable location breakpoint range with max > existing"
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gdb_test "info break" [make_info_breakpoint_reply_re y y y y y y] \
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"breakpoint info enable 2.3 to 2.5"
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# Check that disabling an inverted breakpoint location range does not
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# work.
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gdb_test "disable 2.3-2" "Inverted breakpoint location range at '3-2'"
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gdb_test "info break" [make_info_breakpoint_reply_re y y y y y y] \
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"breakpoint info disable 2.3-2"
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# Check that disabling an invalid breakpoint location range does not
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# cause unexpected behavior.
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gdb_test "disable 2.6-7" "Bad breakpoint location number '6'" \
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"disable an unvalid location breakpoint range"
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gdb_test "info break" [make_info_breakpoint_reply_re y y y y y y] \
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"breakpoint info disable 2.6-7"
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# Check that disabling an invalid breakpoint location range does not
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# cause trouble.
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gdb_test "disable 2.8-6" "Inverted breakpoint location range at '8-6'"
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gdb_test "info break" [make_info_breakpoint_reply_re y y y y y y] \
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"breakpoint info disable 2.8-6"
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# Check that invalid/open ranges are handled correctly.
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with_test_prefix "open range" {
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gdb_test "disable -" "Bad breakpoint number at or near: '-'"
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gdb_test "disable -1" "Negative breakpoint number '-1'"
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gdb_test "disable 1-" "Bad breakpoint number at or near: '1-'"
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gdb_test "disable 1.-2" "Negative breakpoint location number '-2'"
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gdb_test "disable 1.2-" "Bad breakpoint location number at or near: '2-'"
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gdb_test "disable 1.-2-3" "Negative breakpoint location number '-2'"
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gdb_test "disable 1-2-3" "Bad breakpoint number '2-3'"
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}
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with_test_prefix "dangling period" {
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gdb_test "disable 2." "Bad breakpoint number at or near: '2.'"
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gdb_test "disable .2" "Bad breakpoint number at or near: '.2'"
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gdb_test "disable 2.3.4" "Bad breakpoint location number '3.4'"
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}
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# Check that 0s are handled correctly.
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with_test_prefix "zero" {
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gdb_test "disable 0" "Bad breakpoint number '0'"
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gdb_test "disable 0.0" "Bad breakpoint number '0'"
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gdb_test "disable 0.1" "Bad breakpoint number '0'"
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gdb_test "disable 0.1-2" "Bad breakpoint number '0'"
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gdb_test "disable 2.0" "Bad breakpoint location number '0'"
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gdb_test "disable 2.0-0" "Bad breakpoint location number '0'"
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gdb_test "disable 2.0-1" "Bad breakpoint location number '0'"
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gdb_test "disable 2.1-0" "Bad breakpoint location number '0'"
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}
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# Test "disable BPLIST" with an invalid breakpoint/location BPLIST.
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# PREFIX and SUFFIX are concatenated to form BPLIST. The invalid part
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# is always in SUFFIX.
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proc disable_invalid {prefix suffix} {
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set bad_re [string_to_regexp $suffix]
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if {$prefix == ""} {
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gdb_test \
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"disable $suffix" \
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"Bad breakpoint number '${bad_re}'"
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} else {
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gdb_test \
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"disable ${prefix}$suffix" \
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"Bad breakpoint location number '${bad_re}'"
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}
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}
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# Like disable_invalid, but expects an "inverted range" error.
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proc disable_inverted {prefix suffix} {
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set bad_re [string_to_regexp $suffix]
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if {$prefix == ""} {
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gdb_test \
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"disable $suffix" \
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"Inverted breakpoint range at '${bad_re}'"
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} else {
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gdb_test \
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"disable ${prefix}$suffix" \
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"Inverted breakpoint location range at '${bad_re}'"
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}
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}
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# Like disable_invalid, but expects a "negative number" error.
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proc disable_negative {prefix suffix} {
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set bad_re [string_to_regexp $suffix]
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if {$prefix == ""} {
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gdb_test \
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"disable $suffix" \
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"Negative breakpoint number '${bad_re}'"
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} else {
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gdb_test \
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"disable ${prefix}$suffix" \
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"Negative breakpoint location number '${bad_re}'"
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}
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}
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with_test_prefix "bad numbers" {
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gdb_test "p \$zero = 0" " = 0"
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gdb_test "p \$one = 1" " = 1"
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gdb_test "p \$two = 2" " = 2"
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gdb_test "p \$minus_one = -1" " = -1"
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foreach prefix {"" "1." "$one."} {
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set prefix_re [string_to_regexp $prefix]
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disable_invalid $prefix "foo"
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disable_invalid $prefix "1foo"
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disable_invalid $prefix "foo1"
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disable_inverted $prefix "2-1"
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disable_inverted $prefix "2-\$one"
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disable_inverted $prefix "\$two-1"
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disable_inverted $prefix "\$two-\$one"
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disable_negative $prefix "-1"
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disable_negative $prefix "-\$one"
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disable_negative $prefix "\$minus_one"
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}
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}
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gdb_test "info break" [make_info_breakpoint_reply_re y y y y y y] \
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"breakpoint info after invalids"
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