summaryrefslogtreecommitdiff
path: root/gdb/testsuite/gdb.base/charset.exp
diff options
context:
space:
mode:
Diffstat (limited to 'gdb/testsuite/gdb.base/charset.exp')
-rw-r--r--gdb/testsuite/gdb.base/charset.exp214
1 files changed, 130 insertions, 84 deletions
diff --git a/gdb/testsuite/gdb.base/charset.exp b/gdb/testsuite/gdb.base/charset.exp
index fa265211a72..a6368c9b452 100644
--- a/gdb/testsuite/gdb.base/charset.exp
+++ b/gdb/testsuite/gdb.base/charset.exp
@@ -47,13 +47,7 @@ proc parse_show_charset_output {testname} {
global gdb_prompt
gdb_expect {
- -re "The current host and target character set is `(.*)'\\.\[\r\n\]+$gdb_prompt $" {
- set host_charset $expect_out(1,string)
- set target_charset $expect_out(1,string)
- set retlist [list $host_charset $target_charset]
- pass $testname
- }
- -re "The current host character set is `(.*)'\\.\[\r\n\]+The current target character set is `(.*)'\\.\[\r\n\]+$gdb_prompt $" {
+ -re "The host character set is \"(.*)\"\\.\[\r\n\]+The target character set is \"(.*)\"\\.\[\r\n\]+The target wide character set is \"(.*)\"\\.\[\r\n\]+$gdb_prompt $" {
set host_charset $expect_out(1,string)
set target_charset $expect_out(2,string)
set retlist [list $host_charset $target_charset]
@@ -81,76 +75,31 @@ proc parse_show_charset_output {testname} {
}
-# Try the various `show charset' commands. These are all aliases of each
-# other; `show target-charset' and `show host-charset' actually print
-# both the host and target charsets.
+# Try the various `show charset' commands.
send_gdb "show charset\n"
set show_charset [parse_show_charset_output "show charset"]
send_gdb "show target-charset\n"
-set show_target_charset [parse_show_charset_output "show target-charset"]
+set show_target_charset \
+ [lindex [parse_show_charset_output "show target-charset"] 0]
-if {[lsearch $show_charset $show_target_charset] >= 0} {
+if {[lsearch -exact $show_charset $show_target_charset] >= 0} {
pass "check `show target-charset' against `show charset'"
} else {
fail "check `show target-charset' against `show charset'"
}
send_gdb "show host-charset\n"
-set show_host_charset [parse_show_charset_output "show host-charset"]
+set show_host_charset \
+ [lindex [parse_show_charset_output "show host-charset"] 0]
-if {[lsearch $show_charset $show_host_charset] >= 0} {
+if {[lsearch -exact $show_charset $show_host_charset] >= 0} {
pass "check `show host-charset' against `show charset'"
} else {
fail "check `show host-charset' against `show charset'"
}
-
-# Get the list of supported (host) charsets as possible completions.
-send_gdb "set charset \t\t"
-
-# Check that we can at least use ASCII as a host character set.
-sleep 1
-gdb_expect {
- -re "^set charset .*\r\nASCII.*\r\n$gdb_prompt set charset " {
- # We got the output that we wanted, including ASCII as possible
- # charset. Send a newline to get us back to the prompt. This will
- # also generate an error message. Let's not check here that the error
- # message makes sense, we do that below, as a separate testcase.
- send_gdb "\n"
- gdb_expect {
- -re ".*Requires an argument.*$gdb_prompt $" {
- pass "get valid character sets"
- }
- -re ".*$gdb_prompt $" {
- send_gdb "\n"
- gdb_expect {
- -re ".*$gdb_prompt $" {
- fail "get valid character sets"
- }
- }
- }
- timeout {
- fail "(timeout) get valid character sets"
- }
- }
- }
- -re ".*$gdb_prompt $" {
- # We got some output that ended with a regular prompt
- fail "get valid character sets"
- }
- -re ".*$gdb_prompt set charset.*$" {
- # We got some other output, send a cntrl-c to gdb to get us back
- # to the prompt.
- send_gdb "\003"
- fail "get valid character sets"
- }
- timeout {
- fail "get valid character sets (timeout)"
- }
-}
-
# Try a malformed `set charset'.
gdb_test "set charset" \
"Requires an argument. Valid arguments are.*" \
@@ -179,7 +128,7 @@ proc all_charset_names {} {
proc valid_host_charset {charset} {
global charsets
- return $charsets($charset)
+ return [expr {[info exists charsets($charset)] && $charsets($charset)}]
}
send_gdb "set host-charset\n"
@@ -211,6 +160,13 @@ gdb_expect {
}
}
+# If gdb was built with a phony iconv, it will only have two character
+# sets: "auto" and the default. In this situation, this set of tests
+# is pointless.
+if {[llength [array names charsets]] < 3} {
+ untested charset.exp
+ return -1
+}
send_gdb "set target-charset\n"
gdb_expect {
@@ -244,8 +200,10 @@ gdb_expect {
}
}
-# Make sure that GDB supports every host/target charset combination.
-foreach host_charset [all_charset_names] {
+# We don't want to test all the charset names here, since that would
+# be too many combinations. We we pick a subset.
+set charset_subset {ASCII ISO-8859-1 EBCDIC-US IBM1047}
+foreach host_charset $charset_subset {
if {[valid_host_charset $host_charset]} {
set testname "try `set host-charset $host_charset'"
@@ -279,7 +237,7 @@ foreach host_charset [all_charset_names] {
# Now try setting every possible target character set,
# given that host charset.
- foreach target_charset [all_charset_names] {
+ foreach target_charset $charset_subset {
set testname "try `set target-charset $target_charset'"
send_gdb "set target-charset $target_charset\n"
gdb_expect {
@@ -404,23 +362,42 @@ gdb_expect {
}
+# We only try the wide character tests on machines where the wchar_t
+# typedef in the test case has the right size.
+set wchar_size [get_sizeof wchar_t 99]
+set wchar_ok 0
+if {$wchar_size == 2} {
+ lappend charset_subset UCS-2
+ set wchar_ok 1
+} elseif {$wchar_size == 4} {
+ lappend charset_subset UCS-4
+ set wchar_ok 1
+}
+
gdb_test "set host-charset ASCII" ""
-foreach target_charset [all_charset_names] {
- send_gdb "set target-charset $target_charset\n"
+foreach target_charset $charset_subset {
+ if {$target_charset == "UCS-4" || $target_charset == "UCS-2"} {
+ set param target-wide-charset
+ set L L
+ } else {
+ set param target-charset
+ set L ""
+ }
+ send_gdb "set $param $target_charset\n"
gdb_expect {
-re "$gdb_prompt $" {
- pass "set target-charset $target_charset"
+ pass "set $param $target_charset"
}
timeout {
- fail "set target-charset $target_charset (timeout)"
+ fail "set $param $target_charset (timeout)"
}
}
# Try printing the null character. There seems to be a bug in
# gdb_test that requires us to use gdb_expect here.
- send_gdb "print '\\0'\n"
+ send_gdb "print $L'\\0'\n"
gdb_expect {
- -re "\\\$${decimal} = 0 '\\\\0'\[\r\n\]+$gdb_prompt $" {
+ -re "\\\$${decimal} = 0 $L'\\\\0'\[\r\n\]+$gdb_prompt $" {
pass "print the null character in ${target_charset}"
}
-re "$gdb_prompt $" {
@@ -435,8 +412,14 @@ foreach target_charset [all_charset_names] {
# a string in $target_charset. The variable's name is the
# character set's name, in lower-case, with all non-identifier
# characters replaced with '_', with "_string" stuck on the end.
- set var_name [string tolower "${target_charset}_string"]
- regsub -all -- "\[^a-z0-9_\]" $var_name "_" var_name
+ if {$target_charset == "UCS-2"} {
+ # We still use the ucs_4_string variable -- but the size is
+ # correct for UCS-2.
+ set var_name ucs_4_string
+ } else {
+ set var_name [string tolower "${target_charset}_string"]
+ regsub -all -- "\[^a-z0-9_\]" $var_name "_" var_name
+ }
# Compute a regexp matching the results we expect. This is static,
# but it's easier than writing it out.
@@ -444,12 +427,12 @@ foreach target_charset [all_charset_names] {
set uppercase "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
set lowercase "abcdefghijklmnopqrstuvwxyz"
set digits "0123456789"
- set octal_escape "\\\\\[0-9\]\[0-9\]\[0-9\]"
+ set octal_escape "\\\\\[0-9\]+"
send_gdb "print $var_name\n"
# ${escapes}${uppercase}${lowercase}${digits}${octal}${octal}
gdb_expect {
- -re ".* = \"(\\\\a|x)(\\\\b|x)(\\\\f|x)(\\\\n|x)(\\\\r|x)(\\\\t|x)(\\\\v|x)${uppercase}${lowercase}${digits}(\\\\\[0-9\]\[0-9\]\[0-9\]|x)(\\\\\[0-9\]\[0-9\]\[0-9\]|x).*\"\[\r\n\]+$gdb_prompt $" {
+ -re ".* = $L\"(\\\\a|x)(\\\\b|x)(\\\\f|x)(\\\\n|x)(\\\\r|x)(\\\\t|x)(\\\\v|x)${uppercase}${lowercase}${digits}(${octal_escape}|x)+\"\[\r\n\]+$gdb_prompt $" {
pass "print string in $target_charset"
}
-re "$gdb_prompt $" {
@@ -461,22 +444,22 @@ foreach target_charset [all_charset_names] {
}
# Try entering a character literal, and see if it comes back unchanged.
- gdb_test "print 'A'" \
- " = \[0-9-\]+ 'A'" \
+ gdb_test "print $L'A'" \
+ " = \[0-9-\]+ $L'A'" \
"parse character literal in ${target_charset}"
# Check that the character literal was encoded correctly.
- gdb_test "print 'A' == $var_name\[7\]" \
+ gdb_test "print $L'A' == $var_name\[7\]" \
" = 1" \
"check value of parsed character literal in ${target_charset}"
# Try entering a string literal, and see if it comes back unchanged.
- gdb_test "print \"abcdefABCDEF012345\"" \
- " = \"abcdefABCDEF012345\"" \
+ gdb_test "print $L\"abcdefABCDEF012345\"" \
+ " = $L\"abcdefABCDEF012345\"" \
"parse string literal in ${target_charset}"
# Check that the string literal was encoded correctly.
- gdb_test "print \"q\"\[0\] == $var_name\[49\]" \
+ gdb_test "print $L\"q\"\[0\] == $var_name\[49\]" \
" = 1" \
"check value of parsed string literal in ${target_charset}"
@@ -509,7 +492,7 @@ foreach target_charset [all_charset_names] {
send_gdb "print $var_name\[$i\]\n"
set have_escape 1
gdb_expect {
- -re "= \[0-9-\]+ '\\\\${escape}'\[\r\n\]+$gdb_prompt $" {
+ -re "= \[0-9-\]+ $L'\\\\${escape}'\[\r\n\]+$gdb_prompt $" {
pass "try printing '\\${escape}' in ${target_charset}"
}
-re "= \[0-9-\]+ 'x'\[\r\n\]+$gdb_prompt $" {
@@ -527,12 +510,12 @@ foreach target_charset [all_charset_names] {
if {$have_escape} {
# Try parsing a backslash escape in a character literal.
- gdb_test "print '\\${escape}' == $var_name\[$i\]" \
+ gdb_test "print $L'\\${escape}' == $var_name\[$i\]" \
" = 1" \
"check value of '\\${escape}' in ${target_charset}"
# Try parsing a backslash escape in a string literal.
- gdb_test "print \"\\${escape}\"\[0\] == $var_name\[$i\]" \
+ gdb_test "print $L\"\\${escape}\"\[0\] == $var_name\[$i\]" \
" = 1" \
"check value of \"\\${escape}\" in ${target_charset}"
}
@@ -540,10 +523,73 @@ foreach target_charset [all_charset_names] {
# Try printing a character escape that doesn't exist. We should
# get the unescaped character, in the target character set.
- gdb_test "print '\\q'" " = \[0-9-\]+ 'q'" \
+ gdb_test "print $L'\\q'" " = \[0-9-\]+ $L'q'" \
"print escape that doesn't exist in $target_charset"
- gdb_test "print '\\q' == $var_name\[49\]" " = 1" \
+ gdb_test "print $L'\\q' == $var_name\[49\]" " = 1" \
"check value of escape that doesn't exist in $target_charset"
}
+# Reset the target charset.
+gdb_test "set target-charset UTF-8" ""
+
+# \242 is not a valid UTF-8 character.
+gdb_test "print \"\\242\"" " = \"\\\\242\"" \
+ "non-representable target character"
+
+gdb_test "print '\\x'" "\\\\x escape without a following hex digit."
+gdb_test "print '\\u'" "\\\\u escape without a following hex digit."
+gdb_test "print '\\9'" " = \[0-9\]+ '9'"
+
+# Tests for wide- or unicode- strings. L is the prefix letter to use,
+# either "L" (for wide strings), "u" (for UCS-2), or "U" (for UCS-4).
+# NAME is used in the test names and should be related to the prefix
+# letter in some easy-to-undestand way.
+proc test_wide_or_unicode {L name} {
+ gdb_test "print $L\"ab\" $L\"c\"" " = $L\"abc\"" \
+ "basic $name string concatenation"
+ gdb_test "print $L\"ab\" \"c\"" " = $L\"abc\"" \
+ "narrow and $name string concatenation"
+ gdb_test "print \"ab\" $L\"c\"" " = $L\"abc\"" \
+ "$name and narrow string concatenation"
+ gdb_test "print $L\"\\xe\" $L\"c\"" " = $L\"\\\\16c\"" \
+ "$name string concatenation with escape"
+ gdb_test "print $L\"\" \"abcdef\" \"g\"" \
+ "$L\"abcdefg\"" \
+ "concatenate three strings with empty $name string"
+
+ gdb_test "print $L'a'" "= \[0-9\]+ $L'a'" \
+ "basic $name character"
+}
+
+if {$wchar_ok} {
+ test_wide_or_unicode L wide
+}
+
+set ucs2_ok [expr {[get_sizeof char16_t 99] == 2}]
+if {$ucs2_ok} {
+ test_wide_or_unicode u UCS-2
+}
+
+set ucs4_ok [expr {[get_sizeof char32_t 99] == 4}]
+if {$ucs4_ok} {
+ test_wide_or_unicode U UCS-4
+}
+
+# Test an invalid string combination.
+proc test_combination {L1 name1 L2 name2} {
+ gdb_test "print $L1\"abc\" $L2\"def\"" \
+ "Undefined string concatenation." \
+ "undefined concatenation of $name1 and $name2"
+}
+
+if {$wchar_ok && $ucs2_ok} {
+ test_combination L wide u UCS-2
+}
+if {$wchar_ok && $ucs4_ok} {
+ test_combination L wide U UCS-4
+}
+if {$ucs2_ok && $ucs4_ok} {
+ test_combination u UCS-2 U UCS-4
+}
+
gdb_exit