Re: [PATCH] [testsuite] Disable Ctrl-V use for mingw hosts.

[Yao Qi <yao@codesourcery.com>]

On 04/08/2014 12:39 AM, Joel Brobecker wrote:
> Sorry about the wait. OK, but with a small change in the comment
> to say that the ctrl-v character is not only unnecessary on MinGW
> but actually harmful for the test because that character isn't
> recognized as an escape character.

OK, comments are updated.  Patch below is pushed in.

> 
> It'd be nice to know when @ is actually an escape character (just
> thinking out loud, not asking you to do the research - a google
> research doesn't quite clarify this for me).

I don't know either.

-- 
Yao (齐尧)

gdb/testsuite:

2014-04-08  Pierre Muller  <muller@sourceware.org>

	* gdb.base/printcmds.exp (test_artificial_arrays): Disable
	Ctrl-V use for mingw hosts.
---
 gdb/testsuite/gdb.base/printcmds.exp | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/gdb/testsuite/gdb.base/printcmds.exp b/gdb/testsuite/gdb.base/printcmds.exp
index 8f38aca..3253d91 100644
--- a/gdb/testsuite/gdb.base/printcmds.exp
+++ b/gdb/testsuite/gdb.base/printcmds.exp
@@ -631,8 +631,16 @@ proc test_print_typedef_arrays {} {
 
 proc test_artificial_arrays {} {
     # Send \026@ instead of just @ in case the kill character is @.
-    gdb_test_escape_braces "p int1dim\[0\]\026@2" " = {0, 1}" {p int1dim[0]@2}
-    gdb_test_escape_braces "p int1dim\[0\]\026@2\026@3" \
+    # \026 (ctrl-v) is to escape the next character (@), but it is
+    # not only unnecessary to do so on MingW hosts, but also harmful
+    # for the test because that character isn't recognized as an
+    # escape character.
+    set ctrlv "\026"
+    if [ishost *-*-mingw*] {
+	set ctrlv ""
+    }
+    gdb_test_escape_braces "p int1dim\[0\]${ctrlv}@2" " = {0, 1}" {p int1dim[0]@2}
+    gdb_test_escape_braces "p int1dim\[0\]${ctrlv}@2${ctrlv}@3" \
 	"({{0, 1}, {2, 3}, {4, 5}}|\[Cc\]annot.*)" \
 	{p int1dim[0]@2@3}
     gdb_test_escape_braces {p/x (short [])0x12345678} \
-- 
1.8.1.4