1 files changed, 43 insertions, 0 deletions
diff --git a/nixpkgs/pkgs/build-support/trivial-builders/test/writeCBin.nix b/nixpkgs/pkgs/build-support/trivial-builders/test/writeCBin.nix
new file mode 100644
index 000000000000..56cab45b3801
--- /dev/null
+++ b/nixpkgs/pkgs/build-support/trivial-builders/test/writeCBin.nix
@@ -0,0 +1,43 @@
+/*
+  Run with:
+
+      cd nixpkgs
+      nix-build -A tests.trivial-builders.writeCBin
+*/
+
+{ lib, writeCBin, runCommand }:
+let
+  output = "hello";
+  pkg = writeCBin "test-script" ''
+    #include <stdio.h>
+    int main () {
+      printf("hello\n");
+      return 0;
+    }
+  '';
+in
+  assert pkg.meta.mainProgram == "test-script";
+  runCommand "test-writeCBin" { } ''
+
+    echo Testing with getExe...
+
+    target=${lib.getExe pkg}
+    expected=${lib.escapeShellArg output}
+    got=$("$target")
+    if [[ "$got" != "$expected" ]]; then
+      echo "wrong output: expected $expected, got $got"
+      exit 1
+    fi
+
+    echo Testing with makeBinPath...
+
+    PATH="${lib.makeBinPath [ pkg ]}:$PATH"
+    got=$(test-script)
+    if [[ "$got" != "$expected" ]]; then
+      echo "wrong output: expected $expected, got $got"
+      exit 1
+    fi
+
+    touch $out
+  ''
+