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-rw-r--r--tests/multiple-outputs.sh6
1 files changed, 6 insertions, 0 deletions
diff --git a/tests/multiple-outputs.sh b/tests/multiple-outputs.sh
index aa328fdbc689..e95c6b404632 100644
--- a/tests/multiple-outputs.sh
+++ b/tests/multiple-outputs.sh
@@ -14,6 +14,12 @@ drvPath2=$(nix-instantiate multiple-outputs.nix -A c)
 grep -q 'multiple-outputs-a.drv",\["first","second"\]' $drvPath
 grep -q 'multiple-outputs-b.drv",\["out"\]' $drvPath
 
+# While we're at it, test the ‘unsafeDiscardOutputDependency’ primop.
+outPath=$(nix-build multiple-outputs.nix -A d)
+drvPath=$(cat $outPath/drv)
+outPath=$(nix-store -q $drvPath)
+! [ -e "$outPath" ]
+
 # Do a build of something that depends on a derivation with multiple
 # outputs.
 echo "building b..."