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 10ebf0d43b2e4fe74c8047efadd361641188196b..68d94b38a3ad952fcc3d321e2974a8e1d46bdfbf 100644 (file)
--- a/gdb/testsuite/gdb.base/page.exp
+++ b/gdb/testsuite/gdb.base/page.exp
@@ -94,6 +94,33 @@ gdb_expect_list "paged count for interrupt" \
 
 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