From bf6d5c55416bab7bd8a1dfed010cd9c240aaaddf Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Sat, 28 Dec 2019 12:58:03 +0000
Subject: [PATCH] test/filter; Cause some warnings, to check they appear

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>
---
 tests/filter/Dir.mk.expected | 10 ++++++++++
 tests/filter/Dir.sd.mk       | 10 ++++++++++
 tests/filter/stderr.expected |  7 +++++++
 3 files changed, 27 insertions(+)

diff --git a/tests/filter/Dir.mk.expected b/tests/filter/Dir.mk.expected
index f3e3577..14cc88a 100644
--- a/tests/filter/Dir.mk.expected
+++ b/tests/filter/Dir.mk.expected
@@ -2,6 +2,16 @@
 # Prefix in .
 # test cases for generate script
 
+# some blank/comment lines to make "saw WARN" come out with 1-
+# and 2-digit line numbers
+
+WARN += 3
+TOP_WARN += 3
+# $WARN
+# $(WARN)
+# $(TOP_WARN)
+# $(TOP_WARN)
+
 ${eval ${call  some-macro, 42, $$x, {  $(foreach something) } }}
 
 # doctests:
diff --git a/tests/filter/Dir.sd.mk b/tests/filter/Dir.sd.mk
index 559a40c..3a20de3 100644
--- a/tests/filter/Dir.sd.mk
+++ b/tests/filter/Dir.sd.mk
@@ -1,5 +1,15 @@
 # test cases for generate script
 
+# some blank/comment lines to make "saw WARN" come out with 1-
+# and 2-digit line numbers
+
+WARN += 3
+&WARN += 3
+# $WARN
+# $(WARN)
+# $(&WARN)
+# &$WARN
+
 &${ some-macro, 42, $x, { &$- $(foreach something) } }
 
 # doctests:
diff --git a/tests/filter/stderr.expected b/tests/filter/stderr.expected
index e69de29..0700625 100644
--- a/tests/filter/stderr.expected
+++ b/tests/filter/stderr.expected
@@ -0,0 +1,7 @@
+subdirmk: warning: ./Dir.sd.mk:8: possibly confusing unbracketed single-char $-expansion
+subdirmk: warning: saw both WARN and &WARN
+ saw WARN at ./Dir.sd.mk:6
+ saw WARN at ./Dir.sd.mk:9
+ saw &WARN at ./Dir.sd.mk:7
+ saw &WARN at ./Dir.sd.mk:10
+ saw &WARN at ./Dir.sd.mk:11
-- 
2.30.2