[PINGv3] [PATCH] gdb/testsuite: modernize gdb.base/maint.exp

[Bruno Larsen <blarsen@redhat.com>]

ping!

Cheers!
Bruno Larsen

On 5/30/22 08:14, Bruno Larsen wrote:
> ping!
> 
> Cheers!
> Bruno Larsen
> 
> On 5/23/22 11:14, Bruno Larsen wrote:
>> ping
>>
>> Cheers!
>> Bruno Larsen
>>
>> On 5/9/22 15:04, Bruno Larsen wrote:
>>> gdb.base/maint.exp was using several gdb_expect statements, probably
>>> because this test case predates the existance of gdb_test_multiple. This
>>> commit updates the test case to use gdb_test_multiple, making it more
>>> resilient to internal errors and such.
>>>
>>> The only gdb_expect left in the testcase is one that specifically looks
>>> for an internal error being triggered as a PASS.
>>> ---
>>>   gdb/testsuite/gdb.base/maint.exp | 109 ++++++++-----------------------
>>>   1 file changed, 29 insertions(+), 80 deletions(-)
>>>
>>> diff --git a/gdb/testsuite/gdb.base/maint.exp b/gdb/testsuite/gdb.base/maint.exp
>>> index 45ccdc6584e..2efdda9aed7 100644
>>> --- a/gdb/testsuite/gdb.base/maint.exp
>>> +++ b/gdb/testsuite/gdb.base/maint.exp
>>> @@ -155,18 +155,10 @@ set have_psyms [expr ! ( $have_gdb_index || $readnow_p )]
>>>   # guo: on linux this command output is huge.  for some reason splitting up
>>>   # the regexp checks works.
>>>   #
>>> -send_gdb "maint check-psymtabs\n"
>>> -gdb_expect  {
>>> -    -re "^maint check-psymtabs" {
>>> -    gdb_expect {
>>> -        -re "$gdb_prompt $" {
>>> -        pass "maint check-psymtabs"
>>> -        }
>>> -        timeout { fail "(timeout) maint check-psymtabs" }
>>> -    }
>>> +gdb_test_multiple "maint check-psymtabs" "maint check-psymtabs" {
>>> +    -re -wrap "^maint check-psymtabs.*" {
>>> +    pass "maint check-psymtabs"
>>>       }
>>> -    -re ".*$gdb_prompt $"     { fail "maint check-psymtabs" }
>>> -    timeout         { fail "(timeout) maint check-psymtabs" }
>>>   }
>>>   # This command does not produce any output unless there is some problem
>>> @@ -270,62 +262,38 @@ if { $have_psyms } {
>>>                  "maint print psymbols -pc" \
>>>                  "maint print psymbols -pc main $psymbols_output"]
>>>       foreach { test_name command } $test_list {
>>> -    send_gdb "$command\n"
>>> -        gdb_expect  {
>>> -        -re "^maint print psymbols \[^\n\]*\r\n$gdb_prompt $" {
>>> -            send_gdb "shell ls $psymbols_output\n"
>>> -            gdb_expect {
>>> -            -re "$psymbols_output_re\r\n$gdb_prompt $" {
>>> -                # We want this grep to be as specific as possible,
>>> -                # so it's less likely to match symbol file names in
>>> -                # psymbols_output.  Yes, this actually happened;
>>> -                # poor expect got tons of output, and timed out
>>> -                # trying to match it.   --- Jim Blandy <jimb@cygnus.com>
>>> -                send_gdb "shell grep 'main.*function' $psymbols_output\n"
>>> -                gdb_expect {
>>> -                -re ".main., function, $hex.*$gdb_prompt $" {
>>> -                    pass "$test_name 1"
>>> -                }
>>> -                -re ".*main.  .., function, $hex.*$gdb_prompt $" {
>>> -                    pass "$test_name 2"
>>> -                }
>>> -                -re ".*$gdb_prompt $" { fail "$test_name" }
>>> -                timeout { fail "$test_name (timeout)" }
>>> -                }
>>> +    gdb_test_multiple "$command" "$test_name" {
>>> +        -re  -wrap "^maint print psymbols \[^\n\]*" {
>>> +        gdb_test_multiple "shell grep 'main.*function' $psymbols_output"\
>>> +            "$test_name internal"{
>>> +            -re -wrap ".main., function, $hex.*" {
>>> +                gdb_test "shell rm -f $psymbols_output" ".*" \
>>> +                "${test_name}: shell rm -f psymbols_output"
>>> +                pass "$test_name 1"
>>> +            }
>>> +            -re -wrap ".*main.  .., function, $hex.*" {
>>>                   gdb_test "shell rm -f $psymbols_output" ".*" \
>>>                   "${test_name}: shell rm -f psymbols_output"
>>> +                pass "$test_name 2"
>>>               }
>>> -            -re ".*$gdb_prompt $" { fail "$test_name" }
>>> -            timeout { fail "$test_name (timeout)" }
>>> -            }
>>>           }
>>> -        -re ".*$gdb_prompt $" { fail "$test_name" }
>>> -        timeout { fail "$test_name (timeout)" }
>>>           }
>>> +    }
>>>       }
>>>   }
>>>   set msymbols_output [standard_output_file msymbols_output]
>>>   set msymbols_output_re [string_to_regexp $msymbols_output]
>>> -send_gdb "maint print msymbols -objfile ${binfile} $msymbols_output\n"
>>> -gdb_expect  {
>>> -    -re "^maint print msymbols \[^\n\]*\r\n$gdb_prompt $" {
>>> -    send_gdb "shell ls $msymbols_output\n"
>>> -    gdb_expect {
>>> -        -re "$msymbols_output_re\r\n$gdb_prompt $" {
>>> -        gdb_test "shell grep factorial $msymbols_output" \
>>> -            "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
>>> -            "maint print msymbols, absolute pathname"
>>> -        gdb_test "shell rm -f $msymbols_output" ".*" \
>>> -            "shell rm -f msymbols_output"
>>> -        }
>>> -        -re ".*$gdb_prompt $" { fail "maint print msymbols" }
>>> -        timeout { fail "maint print msymbols (timeout)" }
>>> -    }
>>> +gdb_test_multiple "maint print msymbols -objfile ${binfile} $msymbols_output" \
>>> +"printing msymbols" {
>>> +    -re -wrap "^maint print msymbols \[^\n\]*" {
>>> +    gdb_test "shell grep factorial $msymbols_output" \
>>> +        "\\\[ *$decimal\\\] \[tT\]\[ \t\]+$hex \\.?factorial.*" \
>>> +        "maint print msymbols, absolute pathname"
>>> +    gdb_test "shell rm -f $msymbols_output" ".*" \
>>> +        "shell rm -f msymbols_output"
>>>       }
>>> -    -re ".*$gdb_prompt $" { fail "maint print msymbols" }
>>> -    timeout { fail "maint print msymbols (timeout)" }
>>>   }
>>>   # Check that maint print msymbols allows relative pathnames
>>> @@ -363,31 +331,12 @@ set test_list [list \
>>>              "maint print symbols -pc" \
>>>              "maint print symbols -pc main $symbols_output"]
>>>   foreach { test_name command } $test_list {
>>> -    send_gdb "$command\n"
>>> -    gdb_expect {
>>> -    -re "^maint print symbols \[^\n\]*\r\n$gdb_prompt $" {
>>> -        send_gdb "shell ls $symbols_output\n"
>>> -        gdb_expect {
>>> -        -re "$symbols_output_re\r\n$gdb_prompt $" {
>>> -            # See comments for `maint print psymbols'.
>>> -            send_gdb "shell grep 'main(.*block' $symbols_output\n"
>>> -            gdb_expect {
>>> -            -re "int main\\(int, char \\*\\*, char \\*\\*\\); block.*$gdb_prompt $" {
>>> -                pass "$test_name"
>>> -            }
>>> -            -re ".*$gdb_prompt $" { fail "$test_name" }
>>> -            timeout { fail "$test_name (timeout)" }
>>> -            }
>>> -            gdb_test "shell rm -f $symbols_output" ".*" \
>>> -            "$test_name: shell rm -f symbols_output"
>>> -        }
>>> -        -re ".*$gdb_prompt $" { fail "$test_name" }
>>> -        timeout { fail "$test_name (timeout)" }
>>> -        }
>>> -    }
>>> -    -re ".*$gdb_prompt $" { fail "$test_name" }
>>> -    timeout { fail "$test_name (timeout)" }
>>> -    }
>>> +    gdb_test_no_output "$command" "$test_name generate"
>>> +    gdb_test "shell grep 'main(.*block' $symbols_output"\
>>> +    "int main\\(int, char \\*\\*, char \\*\\*\\); block.*"\
>>> +    "$test_name read"
>>> +    gdb_test "shell rm -f $symbols_output" ".*" \
>>> +    "$test_name: shell rm -f symbols_output"
>>>   }
>>>   set msg "maint print type"