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-rw-r--r--tests/gc.sh38
1 files changed, 38 insertions, 0 deletions
diff --git a/tests/gc.sh b/tests/gc.sh
new file mode 100644
index 000000000000..a375a35c2eb6
--- /dev/null
+++ b/tests/gc.sh
@@ -0,0 +1,38 @@
+source common.sh
+
+drvPath=$(nix-instantiate dependencies.nix)
+outPath=$(nix-store -rvv "$drvPath")
+
+# Set a GC root.
+rm -f "$NIX_STATE_DIR"/gcroots/foo
+ln -sf $outPath "$NIX_STATE_DIR"/gcroots/foo
+
+nix-store --gc --print-roots | grep $outPath
+nix-store --gc --print-live | grep $outPath
+nix-store --gc --print-dead | grep $drvPath
+if nix-store --gc --print-dead | grep $outPath; then false; fi
+
+nix-store --gc --print-dead
+
+inUse=$(readLink $outPath/input-2)
+if nix-store --delete $inUse; then false; fi
+test -e $inUse
+
+if nix-store --delete $outPath; then false; fi
+test -e $outPath
+
+nix-collect-garbage
+
+# Check that the root and its dependencies haven't been deleted.
+cat $outPath/foobar
+cat $outPath/input-2/bar
+
+# Check that the derivation has been GC'd.
+if test -e $drvPath; then false; fi
+
+rm "$NIX_STATE_DIR"/gcroots/foo
+
+nix-collect-garbage
+
+# Check that the output has been GC'd.
+if test -e $outPath/foobar; then false; fi