1 files changed, 23 insertions, 0 deletions
diff --git a/pkgs/by-name/gh/ghdl/test-simple.nix b/pkgs/by-name/gh/ghdl/test-simple.nix
new file mode 100644
index 0000000000000..bf034441be25a
--- /dev/null
+++ b/pkgs/by-name/gh/ghdl/test-simple.nix
@@ -0,0 +1,23 @@
+{ stdenv, ghdl-llvm, ghdl-mcode, ghdl-gcc, backend }:
+
+let
+  ghdl = if backend == "llvm" then ghdl-llvm else if backend == "gcc" then ghdl-gcc else ghdl-mcode;
+in
+stdenv.mkDerivation {
+  name = "ghdl-test-simple";
+  meta.timeout = 300;
+  nativeBuildInputs = [ ghdl ];
+  buildCommand = ''
+    cp ${./simple.vhd} simple.vhd
+    cp ${./simple-tb.vhd} simple-tb.vhd
+    mkdir -p ghdlwork
+    ghdl -a --workdir=ghdlwork --ieee=synopsys simple.vhd simple-tb.vhd
+    ghdl -e --workdir=ghdlwork --ieee=synopsys -o sim-simple tb
+  '' + (if backend == "llvm" || backend == "gcc" then ''
+    ./sim-simple --assert-level=warning > output.txt
+  '' else ''
+    ghdl -r --workdir=ghdlwork --ieee=synopsys tb > output.txt
+  '') + ''
+    diff output.txt ${./expected-output.txt} && touch $out
+  '';
+}