Test "set width/height -1"

[deliverable/binutils-gdb.git] / gdb / testsuite / gdb.base / page.exp

diff --git a/gdb/testsuite/gdb.base/page.exp b/gdb/testsuite/gdb.base/page.exp
index 74615911d25ffaeb0bf6aca4ed5f8d3d387e9b36..68d94b38a3ad952fcc3d321e2974a8e1d46bdfbf 100644 (file)
--- a/gdb/testsuite/gdb.base/page.exp
+++ b/gdb/testsuite/gdb.base/page.exp
@@ -80,6 +80,47 @@ gdb_expect_list "paged count remainder" "${gdb_prompt} " {
     11
 }
 
+set fours [string repeat 4 40]
+set str "1\\n2\\n3\\n$fours\\n5\\n"
+
+# Avoid some confusing output from readline.
+gdb_test_no_output "set editing off"
+
+gdb_test_no_output "set width 30"
+send_gdb "printf \"$str\"\n"
+gdb_expect_list "paged count for interrupt" \
+    ".*$pagination_prompt" \
+    [list 1\r\n 2\r\n 3\r\n 444444444444444444444444444444]
+
+gdb_test "q" "Quit" "quit while paging"
+
+# Check that width/height of sqrt(INT_MAX) is treated as unlimited, as
+# well as "0" and explicit "unlimited".
+foreach_with_prefix size {"0" "0x80000000" "unlimited"} {
+
+    # Alternate between "non-unlimited" values and "unlimited" values,
+    # to make sure we're not seeing stale internal state.
+
+    gdb_test "set width 200"
+    gdb_test "show width" \
+       "Number of characters gdb thinks are in a line is 200\\."
+
+    gdb_test "set height 200"
+    gdb_test "show height" \
+       "Number of lines gdb thinks are in a page is 200\\."
+
+    gdb_test "set width $size"
+    gdb_test "show width unlimited" \
+       "Number of characters gdb thinks are in a line is unlimited\\."
+
+    gdb_test "set height $size"
+    gdb_test "show height unlimited" \
+       "Number of lines gdb thinks are in a page is unlimited\\."
+}
+
+gdb_test "set width -1" "integer -1 out of range"
+gdb_test "set height -1" "integer -1 out of range"
+
 gdb_exit
 return 0