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-rw-r--r--lib/tests/systems.nix36
1 files changed, 36 insertions, 0 deletions
diff --git a/lib/tests/systems.nix b/lib/tests/systems.nix
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+++ b/lib/tests/systems.nix
@@ -0,0 +1,36 @@
+# We assert that the new algorithmic way of generating these lists matches the
+# way they were hard-coded before.
+#
+# One might think "if we exhaustively test, what's the point of procedurally
+# calculating the lists anyway?". The answer is one can mindlessly update these
+# tests as new platforms become supported, and then just give the diff a quick
+# sanity check before committing :).
+let
+  lib = import ../default.nix;
+  mseteq = x: y: {
+    expr     = lib.sort lib.lessThan x;
+    expected = lib.sort lib.lessThan y;
+  };
+in
+with lib.systems.doubles; lib.runTests {
+  testall = mseteq all (linux ++ darwin ++ freebsd ++ openbsd ++ netbsd ++ illumos ++ wasi ++ windows ++ embedded ++ mmix ++ js ++ genode ++ redox);
+
+  testarm = mseteq arm [ "armv5tel-linux" "armv6l-linux" "armv6l-netbsd" "armv6l-none" "armv7a-linux" "armv7a-netbsd" "armv7l-linux" "armv7l-netbsd" "arm-none" "armv7a-darwin" ];
+  testi686 = mseteq i686 [ "i686-linux" "i686-freebsd" "i686-genode" "i686-netbsd" "i686-openbsd" "i686-cygwin" "i686-windows" "i686-none" "i686-darwin" ];
+  testmips = mseteq mips [ "mips64el-linux" "mipsel-linux" "mipsel-netbsd" ];
+  testmmix = mseteq mmix [ "mmix-mmixware" ];
+  testx86_64 = mseteq x86_64 [ "x86_64-linux" "x86_64-darwin" "x86_64-freebsd" "x86_64-genode" "x86_64-redox" "x86_64-openbsd" "x86_64-netbsd" "x86_64-cygwin" "x86_64-solaris" "x86_64-windows" "x86_64-none" ];
+
+  testcygwin = mseteq cygwin [ "i686-cygwin" "x86_64-cygwin" ];
+  testdarwin = mseteq darwin [ "x86_64-darwin" "i686-darwin" "aarch64-darwin" "armv7a-darwin" ];
+  testfreebsd = mseteq freebsd [ "i686-freebsd" "x86_64-freebsd" ];
+  testgenode = mseteq genode [ "aarch64-genode" "i686-genode" "x86_64-genode" ];
+  testredox = mseteq redox [ "x86_64-redox" ];
+  testgnu = mseteq gnu (linux /* ++ kfreebsd ++ ... */);
+  testillumos = mseteq illumos [ "x86_64-solaris" ];
+  testlinux = mseteq linux [ "aarch64-linux" "armv5tel-linux" "armv6l-linux" "armv7a-linux" "armv7l-linux" "i686-linux" "mips64el-linux" "mipsel-linux" "riscv32-linux" "riscv64-linux" "x86_64-linux" "powerpc64-linux" "powerpc64le-linux" "m68k-linux" "s390-linux" "s390x-linux" ];
+  testnetbsd = mseteq netbsd [ "aarch64-netbsd" "armv6l-netbsd" "armv7a-netbsd" "armv7l-netbsd" "i686-netbsd" "m68k-netbsd" "mipsel-netbsd" "powerpc-netbsd" "riscv32-netbsd" "riscv64-netbsd" "x86_64-netbsd" ];
+  testopenbsd = mseteq openbsd [ "i686-openbsd" "x86_64-openbsd" ];
+  testwindows = mseteq windows [ "i686-cygwin" "x86_64-cygwin" "i686-windows" "x86_64-windows" ];
+  testunix = mseteq unix (linux ++ darwin ++ freebsd ++ openbsd ++ netbsd ++ illumos ++ cygwin ++ redox);
+}