nvm/test/fast/Listing versions/Running "nvm ls" should include "system" when appropriate

#!/bin/sh

die () { echo $@ ; exit 1; }

. ../../../nvm.sh

mkdir -p "${NVM_DIR}/v0.0.1"
mkdir -p "${NVM_DIR}/v0.0.3"
mkdir -p "${NVM_DIR}/v0.0.9"
mkdir -p "${NVM_DIR}/v0.3.1"
mkdir -p "${NVM_DIR}/v0.3.3"
mkdir -p "${NVM_DIR}/v0.3.9"

nvm_has_system_node() { return 0; }
nvm ls | grep system 2>&1 > /dev/null
[ $? -eq 0 ] || die '"nvm ls" did not contain "system" when system node is present'

nvm_has_system_node() { return 1; }
nvm ls | grep system 2>&1 > /dev/null
[ $? -ne 0 ] || die '"nvm ls" contained "system" when system node is not present'