tests/functional: Add tests for builtins.dirOf

These will change in the next commit to fix the silent regression from 2.23
in the handling of multiple subsequent path separators.

Author: xokdvium

tests/functional/lang/eval-okay-builtins-dirOf.exp

@@ -0,0 +1 @@
+{ pathDoesntExistNested1 = /totallydoesntexistreally; pathDoesntExistNested2 = /totallydoesntexistreally/subdir1; pathDoesntExistRoot = /; pathRoot = /; stringEmpty = "."; stringMultipleSeps = "a"; stringNoSep = "."; stringRoot = "/"; stringRootA = "/"; stringRootSlash = "//"; stringRootSlashSlash = "///"; stringSingleDir = "a"; stringWithDot = "a/b/c/."; stringWithDotAndDotDot = "a/b/c/../."; stringWithDotAndDotDotSep2 = "a/b/c/../."; stringWithDotDot = "a/b/c/.."; stringWithDotDotSep2 = "a/b/c/.."; stringWithDotSep2 = "a/b/c/."; }

tests/functional/lang/eval-okay-builtins-dirOf.nix

@@ -0,0 +1,21 @@
+{
+  stringEmpty = dirOf "";
+  stringNoSep = dirOf "filename";
+  stringSingleDir = dirOf "a/b";
+  stringMultipleSeps = dirOf "a///b";
+  stringRoot = dirOf "/";
+  stringRootSlash = dirOf "//";
+  stringRootSlashSlash = dirOf "///";
+  stringRootA = dirOf "/a";
+  stringWithDot = dirOf "a/b/c/./d";
+  stringWithDotSep2 = dirOf "a/b/c/.//d";
+  stringWithDotDot = dirOf "a/b/c/../d";
+  stringWithDotDotSep2 = dirOf "a/b/c/..//d";
+  stringWithDotAndDotDot = dirOf "a/b/c/.././d";
+  stringWithDotAndDotDotSep2 = dirOf "a/b/c/.././/d";
+
+  pathRoot = dirOf /.;
+  pathDoesntExistRoot = dirOf /totallydoesntexistreally;
+  pathDoesntExistNested1 = dirOf /totallydoesntexistreally/subdir1;
+  pathDoesntExistNested2 = dirOf /totallydoesntexistreally/subdir1/subdir2;
+}