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-rw-r--r--nixpkgs/pkgs/build-support/trivial-builders/test/concat-test.nix12
1 files changed, 12 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/build-support/trivial-builders/test/concat-test.nix b/nixpkgs/pkgs/build-support/trivial-builders/test/concat-test.nix
new file mode 100644
index 000000000000..5ce435619069
--- /dev/null
+++ b/nixpkgs/pkgs/build-support/trivial-builders/test/concat-test.nix
@@ -0,0 +1,12 @@
+{ callPackage, lib, pkgs, runCommand, concatText, writeText, hello, emptyFile }:
+let
+  stri = writeText "pathToTest";
+  txt1 = stri "abc";
+  txt2 = stri hello;
+  res = concatText "textToTest" [ txt1 txt2 ];
+in
+runCommand "test-concatPaths" { } ''
+  diff -U3 <(cat ${txt1} ${txt2}) ${res}
+  diff -U3 ${concatText "void" []} ${emptyFile}
+  touch $out
+''