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Add a new proc cond_wrap, that can be used to replace the repetitive:
...
if { $cond } {
wrap {
<body>
}
} else {
<body>
}
...
with the shorter:
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cond_wrap $cond wrap {
<body>
}
...
Tested on x86_64-linux.
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I noticed in capture_command_output that the output of a single command is
matched using two gdb_test_multiples:
- the first one matching the echoed command and skipping an optional prefix,
- the second one matching the output and the prompt.
This is error-prone, because the first gdb_test_multiple has implicit
clauses which may consume the prompt.
The problem is easy to spot with an example. First consider:
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set output [capture_command_output "print 1" "\\\$1 = "]
gdb_assert { [string equal $output "1"] }
...
for which we get:
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PASS: [string equal $output "1"]
...
If we change the prefix string to a no-match, say "1 = ", and update the
output string match accordingly, we get instead:
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FAIL: capture_command_output for print 1
FAIL: [string equal $output "\$1 = 1"]
...
The first FAIL is produced by the first gdb_test_multiple, consuming the prompt.
The second gdb_test_multiple then silently times out waiting for another prompt,
after which the second FAIL is produced. Note that the timeout is silent
because the gdb_test_multiple is called with an empty message argument.
The second FAIL is because capture_command_output returns "", given that all
the command output was consumed by the first gdb_test_multiple.
Fix this by rewriting capture_command_output to use only a single
gdb_test_multiple.
Tested on x86_64-linux.
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Detect a trailing ^C/^D in the command argument of gdb_test_multiple, and
error out.
Tested on x86_64-linux.
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I noticed that the error message in gdb_test_multiple about trailing newline
in a command does not mention the offending command, nor the word command:
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if [string match "*\[\r\n\]" $command] {
error "Invalid trailing newline in \"$message\" test"
}
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Fix this by using instead:
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error "Invalid trailing newline in \"$command\" command"
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Also add a test-case to trigger this: gdb.testsuite/gdb-test.exp.
Tested on x86_64-linux.
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This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
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Factor out new proc dump_info in test-case gdb.testsuite/dump-system-info.exp,
and in the process:
- fix a few typos
- remove unnecessary "test -r /proc/cpuinfo"
Tested on x86_64-linux.
Co-Authored-By: Pedro Alves <pedro@palves.net>
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When interpreting the testsuite results, it's often relevant what kind of
machine the testsuite ran on. On a local machine one can just do
/proc/cpuinfo, but in case of running tests using a remote system
that distributes test runs to other remote systems that are not directly
accessible, that's not possible.
Fix this by dumping /proc/cpuinfo into the gdb.log, as well as lsb_release -a
and uname -a.
We could do this at the start of each test run, by putting it into unix.exp
or some such. However, this might be too verbose, so we choose to put it into
its own test-case, such that it get triggered in a full testrun, but not when
running one or a subset of tests.
We put the test-case into the gdb.testsuite directory, which is currently the
only place in the testsuite where we do not test gdb. [ Though perhaps this
could be put into a new gdb.info directory, since the test-case doesn't
actually test the testsuite. ]
Tested on x86_64-linux.
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A regexp pattern with escapes like this is hard to read:
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set re "~\"\[$\]$decimal = 1\\\\n\"\r\n\\^done"
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We can make it more readable by spacing out parts (which allows us to also use
the curly braces where that's convenient):
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set re [list "~" {"} {[$]} $decimal " = 1" "\\\\" "n" {"} "\r\n" "\\^" "done"]
set re [join $re ""]
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or by using string_to_regexp:
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set re [list \
[string_to_regexp {~"$}] \
$decimal \
[string_to_regexp " = 1\\n\"\r\n^done"]]
set re [join $re ""]
...
Note: we have to avoid applying string_to_list to decimal, which is already a
regexp.
Add a proc string_list_to_regexp to make it easy to do both:
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set re [list \
[string_list_to_regexp ~ {"} $] \
$decimal \
[string_list_to_regexp " = 1" \\ n {"} \r\n ^ done]]
...
Also add a test-case gdb.testsuite/string_to_regexp.exp.
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The current syntax of proc arange is:
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proc arange { arange_start arange_length {comment ""} {seg_sel ""} } {
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and a typical call looks like:
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arange $start $len
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This style is somewhat annoying because if you want to specify the last
parameter, you need to give the default values of all the other optional ones
before as well:
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arange $start $len "" $seg_sel
...
Update the syntax to:
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proc arange { options arange_start arange_length } {
parse_options {
{ comment "" }
{ seg_sel "" }
}
...
such that a typical call looks like:
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arange {} $start $len
...
and a call using seg_sel looks like:
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arange {
seg_sel $seg_sel
} $start $len
...
Also update proc aranges, which already has an options argument, to use the
new proc parse_options.
Tested on x86_64-linux.
Co-Authored-By: Simon Marchi <simon.marchi@polymtl.ca>
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This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
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gdb/ChangeLog:
Update copyright year range in all GDB files.
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Fix a silly bug in commit a26c8de0ee93 ("Fix early return in
foreach_with_prefix").
That patch made foreach_with_prefix always return after the first
iteration, making ~10k tests disappear from test runs...
This fixes it, and as penance, adds a testcase that exercises all
kinds of different returns possible (ok, error, return, break,
continue). I've written it with regular "foreach", and then switched
to foreach_with_prefix and made sure we get the same results. I put
the testcase in a new gdb.testsuite/ subdir, since this is exercising
the testsuite harness bits. We can move this elsewhere if people
prefer a different place, but I'm going ahead in order to unbreak the
testsuite ASAP.
gdb/testsuite/ChangeLog:
2019-07-04 Pedro Alves <palves@redhat.com>
* lib/gdb.exp (foreach_with_prefix): Don't return early if
body returned ok(0), break(3) or continue(4).
* gdb.testsuite/foreach_with_prefix.exp: New file.
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