Add error checking to nvm_tree_contains_path
diff --git a/nvm.sh b/nvm.sh
index 858b0cc..d588e1a 100644
--- a/nvm.sh
+++ b/nvm.sh
@@ -58,6 +58,12 @@
tree="$1"
local node_path
node_path="$2"
+
+ if [ "@$tree@" = "@@" ] || [ "@$node_path@" = "@@" ]; then
+ >&2 echo "both the tree and the node path are required"
+ return 2
+ fi
+
local pathdir
pathdir=$(dirname "$node_path")
while [ "$pathdir" != "" ] && [ "$pathdir" != "." ] && [ "$pathdir" != "/" ] && [ "$pathdir" != "$tree" ]; do
diff --git a/test/fast/Unit tests/nvm_tree_contains_path b/test/fast/Unit tests/nvm_tree_contains_path
index 278612a..a4ca09e 100755
--- a/test/fast/Unit tests/nvm_tree_contains_path
+++ b/test/fast/Unit tests/nvm_tree_contains_path
@@ -15,6 +15,11 @@
mkdir -p tmp2
touch tmp2/node
+[ "$(nvm_tree_contains_path 2>&1)" = "both the tree and the node path are required" ] || die 'incorrect error message with no args'
+[ "$(nvm_tree_contains_path > /dev/null 2>&1 ; echo $?)" = "2" ] || die 'incorrect error code with no args'
+[ "$(nvm_tree_contains_path tmp 2>&1)" = "both the tree and the node path are required" ] || die 'incorrect error message with one arg'
+[ "$(nvm_tree_contains_path > /dev/null 2>&1 ; echo $?)" = "2" ] || die 'incorrect error code with one arg'
+
nvm_tree_contains_path tmp tmp/node || die '"tmp" should contain "tmp/node"'
nvm_tree_contains_path tmp tmp2/node && die '"tmp" should not contain "tmp2/node"'
