diff options
Diffstat (limited to 'gdb/testsuite/gdb.base/style.exp')
| -rw-r--r-- | gdb/testsuite/gdb.base/style.exp | 295 |
1 files changed, 295 insertions, 0 deletions
diff --git a/gdb/testsuite/gdb.base/style.exp b/gdb/testsuite/gdb.base/style.exp index 59c93ee..47efb64 100644 --- a/gdb/testsuite/gdb.base/style.exp +++ b/gdb/testsuite/gdb.base/style.exp @@ -329,6 +329,18 @@ proc run_style_tests { } { "The \033\\\[38;2;254;210;16;48;5;255;22;27m.*\".*version.*\".*style.*\033\\\[m foreground color is: #FED210" \ "Version's TrueColor foreground style" } + + gdb_test_no_output "set host-charset UTF-8" + # Chosen since it will print an error. + gdb_test "maint translate-address" \ + "❌️ requires argument.*" \ + "emoji output" + + gdb_test_no_output "set style error-prefix abcd:" \ + "set the error prefix" + gdb_test "maint translate-address" \ + "abcd:requires argument.*" \ + "error prefix" } } @@ -739,6 +751,286 @@ proc test_enable_styling_warning { } { } } +# Run an 'apropos' command. Each line of output starts with a +# non-default style (command style). Ensure that pagination triggers +# during the 'apropos' output such that, at the point pagination kicks +# in, a non-default style is in effect. +# +# Then, at the pagination prompt, quit the command. +# +# Next, run a command which switches to a different style, and then +# back to the current style. +# +# At one point, a bug in the pagination code would leave the +# non-default style from the 'apropos' command recorded as the current +# style, such that the second command would switch back to the earlier +# style. +proc test_pagination_cmd_after_quit_styling {} { + with_ansi_styling_terminal { + clean_restart + } + + # We're going to use 'apropos time'. Check that with a height of + # 12 lines, each line starts with a non-default style, and that we + # do see the pagination prompt. This means that there are more + # than 12 lines for this command. + with_test_prefix "validate apropos output" { + gdb_test_no_output "set height 12" + + set saw_pagination_prompt false + gdb_test_multiple "apropos time" "" { + -re "^apropos time\r\n" { + exp_continue + } + -re "^\033\\\[39;49;1;27m\[^\r\n\]+\r\n" { + exp_continue + } + -re "^$::pagination_prompt$" { + set saw_pagination_prompt true + send_gdb "q\n" + exp_continue + } + -re "^q\r\n" { + exp_continue + } + -re "^Quit\r\n" { + exp_continue + } + -re "^$::gdb_prompt $" { + gdb_assert { $saw_pagination_prompt } $gdb_test_name + } + -re "^\[^\r\n\]+\r\n" { + exp_continue + } + } + } + + # Now reduce the height to 10 and re-run 'apropos time'. Based on + # the previous check, we know that this is going to present the + # pagination prompt when a non-default style is in use. + gdb_test_no_output "set height 10" + + set saw_pagination_prompt false + gdb_test_multiple "apropos time" "" { + -re "$::pagination_prompt" { + set saw_pagination_prompt true + send_gdb "q\n" + exp_continue + } + -re "\r\n$::gdb_prompt $" { + gdb_assert { $saw_pagination_prompt } $gdb_test_name + } + } + + # The help output for this maintenance command switches to a + # different style, and then back to the default. If the + # pagination bug still exists, then this would switch back to the + # non-default style that was in use when pagination kicked in + # above. + gdb_test "maintenance time" \ + "^\"\033\\\[39;49;1;27mmaintenance time\033\\\[m\" takes a numeric argument\\." +} + +# Helper for test_pagination_prompt_styling. Return false if STR, a +# line that appears immediately before a pagination prompt, matches +# the pattern for needing a style reset at the end, but does not have +# the style reset. +# +# In all other cases, return true. So lines that don't match the +# known pattern for neededing a style reset will always return true, +# as will lines that match the pattern, and do have the style reset. +proc previous_line_is_ok { str } { + + # Create a copy of STR with all the '\033' characters removed. + # Then compare string lengths to get a count of the '\033' + # charactes present in STR. + regsub -all "\033" $str {} stripped + set count [expr [string length $str] - [string length $stripped]] + + # If STR switched styles, then it _must_ switch back again, + # otherwise the pagination prompt will be in the wrong style. + # This means that there _must_ be an even number of '\033' + # characters in STR. If there is not then we switched style, but + # failed to switch back. + if { [expr $count % 2] != 0 } { + return false + } + + # For lines that don't match this pattern, we cannot comment on + # where the style reset should occur, so lets just claim the line + # is fine. + if { ![regexp "\\s+$::hex - $::hex is \[^\r\n\]+ in \033" $str] } { + return true + } + + # This line did match the above pattern, so we know that a style + # reset _must_ occur at the end of the line. If it doesn't then + # this line is not OK. + if { ![regexp "\033\\\[m$" $str] } { + return false + } + + # All tests passed, this line looks OK. + return true +} + +# Test that the pagination prompt is displayed unstyled. This is done +# by looking at the 'info files' output and selecting a width that +# will mean we should get a pagination prompt part way through a +# styled filename. +# +# Then, re-run 'info files' and check that for every pagination +# prompt, the previous line disables styling as expected. +proc test_pagination_prompt_styling {} { + with_ansi_styling_terminal { + clean_restart $::binfile + } + + if {![runto_main]} { + return + } + + # Set height so we actually get a pagination prompt. + gdb_test_no_output "set height 3" + + # Scan the 'info files' output and set DESIRED_WIDTH such that it + # will trigger pagination part-way through a styled filename. + set desired_width 0 + gdb_test_multiple "info files" "find good test width" { + -re "^info files\r\n" { + exp_continue + } + + -re "^$::pagination_prompt$" { + send_gdb "\n" + exp_continue + } + + -re "^$::gdb_prompt $" { + } + + -re "^((\\s+$::hex - $::hex is \[^\r\n\]+ in )\[^\r\n\]+)\r\n" { + if { $desired_width == 0 } { + set full_line $expect_out(1,string) + set inner_line $expect_out(2,string) + set desired_width [expr [string length $inner_line] + ([string length $full_line] - [string length $inner_line]) / 2] + } + exp_continue + } + + -re "^\[^\r\n\]*\r\n" { + exp_continue + } + } + + if { $desired_width < [string length $::pagination_prompt_str] + 2 } { + # Avoid readline wrapping after printing the pagination prompt. + return + } + + # Now setup the screen width. + gdb_test_no_output "set width $desired_width" \ + "set width to desired width" + + # Re-run 'info files'. Check that the content before any + # pagination prompt correctly disables styling. + set saw_bad_line false + set prev_line "" + gdb_test_multiple "info files" "check pagination prompt styling" { + -re "^info files\r\n" { + exp_continue + } + + -re "^$::pagination_prompt$" { + if { ![previous_line_is_ok $prev_line] } { + set saw_bad_line true + } + send_gdb "\n" + exp_continue + } + + -re "^(\[^\r\n\]+)$::pagination_prompt$" { + set prev_line $expect_out(1,string) + if { ![previous_line_is_ok $prev_line] } { + set saw_bad_line true + } + send_gdb "\n" + exp_continue + } + + -re "^$::gdb_prompt $" { + gdb_assert { !$saw_bad_line } $gdb_test_name + } + + -re "^(\[^\r\n\]*)\r\n" { + set prev_line $expect_out(1,string) + exp_continue + } + } +} + +# Test that GDB can correctly restore the current style after a +# pagination prompt. +# +# Set the logging file to a garbage string based on LENGTH (is +# actually 2x LENGTH), then 'show logging file'. Press return at the +# pagination prompt, and check that the reset of the filename is +# styled correctly, and that GDB correctly switches back to the +# default style once the logging file has finished. +proc test_pagination_continue_styling_1 { length } { + with_ansi_styling_terminal { + clean_restart $::binfile + } + + set filename [string repeat "ax" $length] + + gdb_test_no_output "set logging file $filename" + + gdb_test_no_output "set height 3" + gdb_test_no_output "set width 80" + + set saw_bad_styling false + gdb_test_multiple "show logging file" "" { + -re "^show logging file\r\n" { + exp_continue + } + + -re "^The current logfile is \"\033\\\[32;49;22;27m(?:ax)+\033\\\[m" { + exp_continue + } + + -re "^\r\n\033\\\[32;49;22;27m(?:ax)+\033\\\[m(?=--)" { + exp_continue + } + + -re "^\r\n\033\\\[32;49;22;27m(?:ax)+(?=--)" { + set saw_bad_styling true + exp_continue + } + + -re "^\r\n\033\\\[32;49;22;27m(?:ax)+\033\\\[m\"\\.\r\n" { + exp_continue + } + + -re "^$::gdb_prompt $" { + gdb_assert { !$saw_bad_styling } $gdb_test_name + } + + -re "^$::pagination_prompt$$" { + send_gdb "\n" + exp_continue + } + } +} + +# Wrapper around test_pagination_continue_styling_1, calls that +# function with different lengths. +proc test_pagination_continue_styling { } { + foreach_with_prefix length { 80 160 } { + test_pagination_continue_styling_1 $length + } +} + # Check to see if the Python styling of disassembler output is # expected or not, this styling requires Python support in GDB, and # the Python pygments module to be available. @@ -781,3 +1073,6 @@ test_colorsupport_truecolor test_colorsupport_truecolor_only test_enable_styling_warning +test_pagination_cmd_after_quit_styling +test_pagination_prompt_styling +test_pagination_continue_styling |