Add addl tests

tests/project-root1.sh

@@ -35,5 +35,31 @@ testProjectRoot002() {
     assertEquals "" "$pr"
 }
 
+testResolveSymlink001() {
+    d1=$(mktemp -d --tmpdir targetdir.XXXXX)
+    expected="$d1/target"
+    touch "$expected"
+
+    d2=$(mktemp -d --tmpdir linkdir.XXXXX)
+    link="$d2"/link
+    ln -s "$d1"/target "$link"
+
+    resolved=$(resolve_symlink $link)
+
+    assertEquals "$expected" "$resolved"
+}
+
+# This test is ugly but there's no obvious way to make it
+# better without making it entirely tautological.
+testNoramlizeDirOfFile001() {
+    input="$DIR"/../install.sh
+
+    expected="$DIR/.."
+
+    out=$(normalize_dir_of_file "$input")
+
+    assertEquals "$expected" "$out/tests/.."
+}
+
 # shellcheck disable=SC1091
 source shunit2