From 18bbcb1214caf75c0190e610d7eb34e971366c7c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Sun, 11 Dec 2005 19:25:48 +0000
Subject: * Add a test to demonstrate the quadratic complexity of referrer  
 (de)registration, in particular garbage collection (NIX-23).

---
 tests/referrers.sh | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
 create mode 100644 tests/referrers.sh

(limited to 'tests/referrers.sh')

diff --git a/tests/referrers.sh b/tests/referrers.sh
new file mode 100644
index 000000000000..a4ef34803a74
--- /dev/null
+++ b/tests/referrers.sh
@@ -0,0 +1,15 @@
+max=5000
+
+reference=$NIX_STORE_DIR/abcdef
+touch $reference
+(echo $reference && echo && echo 0) | $TOP/src/nix-store/nix-store --register-validity 
+
+echo "registering..."
+time for ((n = 0; n < $max; n ++)); do
+    storePath=$NIX_STORE_DIR/$n
+    touch $storePath
+    (echo $storePath && echo && echo 1 && echo $reference)
+done | $TOP/src/nix-store/nix-store --register-validity 
+
+echo "collecting garbage..."
+time $TOP/src/nix-store/nix-store --gc 2> /dev/null
-- 
cgit 1.4.1