From 6b02c22457d39401730f14654e68677db4e087b6 Mon Sep 17 00:00:00 2001
From: John Cupitt <jcupitt@gmail.com>
Date: Wed, 18 Dec 2019 14:41:35 +0000
Subject: [PATCH] add a test with VIPS_STALL

stresses the caching and locality systems
---
 test/Makefile.am   |  2 ++
 test/test_stall.sh | 17 +++++++++++++++++
 2 files changed, 19 insertions(+)
 create mode 100755 test/test_stall.sh

diff --git a/test/Makefile.am b/test/Makefile.am
index 60aac2b0..78660f56 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -5,6 +5,7 @@ TESTS = \
 	test_cli.sh \
 	test_formats.sh \
 	test_seq.sh \
+	test_stall.sh \
 	test_threading.sh 
 
 SUBDIRS = \
@@ -32,6 +33,7 @@ EXTRA_DIST = \
 	test_formats.sh \
 	test_seq.sh \
 	test_thumbnail.sh \
+	test_stall.sh \
 	test_threading.sh 
 
 clean-local: 
diff --git a/test/test_stall.sh b/test/test_stall.sh
new file mode 100755
index 00000000..4046d49e
--- /dev/null
+++ b/test/test_stall.sh
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# set -x
+set -e
+
+. ./variables.sh
+
+if test_supported tiffload; then
+	VIPS_STALL=1 vips copy $image $tmp/x.tif
+  cat > $tmp/mask.con <<EOF
+3 3 8 0
+-1 -1 -1
+-1 16 -1
+-1 -1 -1
+EOF
+	VIPS_STALL=1 vips conv $tmp/x.tif $tmp/x2.tif $tmp/mask.con
+fi