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Diffstat (limited to 'gdb/testsuite/gdb.base/source-search.exp')
-rw-r--r-- | gdb/testsuite/gdb.base/source-search.exp | 106 |
1 files changed, 106 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/source-search.exp b/gdb/testsuite/gdb.base/source-search.exp new file mode 100644 index 0000000..559c500 --- /dev/null +++ b/gdb/testsuite/gdb.base/source-search.exp @@ -0,0 +1,106 @@ +# Copyright 2025 Free Software Foundation, Inc. +# +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 3 of the License, or +# (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program. If not, see <http://www.gnu.org/licenses/>. + +# Test 'forward-search' and 'reverse-search' commands. This test +# relies on some hard-coded line numbers relating to the source file. +# We could switch to using gdb_get_line_number, but it doesn't feel +# like that would add much value; just don't change the source file. + +standard_testfile + +if { [prepare_for_testing "failed to prepare" $testfile $srcfile] } { + return +} + +gdb_test "forward-search This testcase is part" \ + "1\\s+/\\* This testcase is part of GDB, the GNU debugger\\." \ + "search for first line of the file" + +gdb_test "forward-search This testcase is part" \ + "Expression not found" \ + "repeated search doesn't find the same first line" + +# The 'reverse-search' command starts searching from the line before +# the last line displayed. So in this case, the reverse search starts +# from line 0, i.e. nothing is searched. +gdb_test "reverse-search This testcase is part" \ + "Expression not found" \ + "reverse search doesn't find the first line either" + +# List some source lines, and then perform some forward-searches. The +# searches start from the first line after the last line displayed. +gdb_test "list 20" ".*" \ + "list source code ahead of a forward-search" +gdb_test "forward-search Line 2" \ + "25\\s+/\\* Line 25 \\*/" \ + "first forward-search after a list" +gdb_test "forward-search Line 2" \ + "26\\s+/\\* Line 26 \\*/" \ + "second forward-search after a list" +gdb_test "forward-search Line 2" \ + "27\\s+/\\* Line 27 \\*/" \ + "third forward-search after a list" + +# Now reverse-search from where we got too. +gdb_test "reverse-search Line 2" \ + "26\\s+/\\* Line 26 \\*/" \ + "first reverse-search for 'Line 2'" +gdb_test "reverse-search Line 2" \ + "25\\s+/\\* Line 25 \\*/" \ + "second reverse-search for 'Line 2'" +gdb_test "reverse-search Line 2" \ + "24\\s+/\\* Line 24 \\*/" \ + "third reverse-search for 'Line 2'" + +# List some source lines, and then perform a reverse-search. The +# search starts frm the first line before the last line displayed. +gdb_test "list 20" ".*" \ + "list source code ahead of a reverse-search" +gdb_test "reverse-search Line 2" \ + "23\\s+/\\* Line 23 \\*/" \ + "reverse-search after a list" + +# List the last lines of the file, then reverse search for the last +# line. As reverse-search starts on the line before the last line +# displayed, this will fail to find the last line. +gdb_test "list 127" +gdb_test "reverse-search Last line" \ + "Expression not found" \ + "reverse search for the last line fails" + +# List some lines from the middle of the file. Then try an invalid +# 'list' command. Finally, check searches pick up from the middle of +# the file where the first 'list' successfully completed. +foreach_with_prefix search_direction { forward reverse } { + foreach_with_prefix bad_list { out-of-range backwards } { + gdb_test "list 50" + + if { $bad_list eq "out-of-range" } { + gdb_test "list 1000" \ + "Line number 995 out of range; \[^\r\n\]+ has 127 lines\\." + } else { + gdb_test_no_output "list 60,50" + } + + if { $search_direction eq "forward" } { + set line 55 + } else { + set line 53 + } + + gdb_test "${search_direction}-search Line" \ + "$line\\s+/\\* Line $line \\*/" + } +} |