Adding nvm exec tests.
diff --git "a/test/slow/nvm exec/Running \"nvm exec 0.x\" should work" "b/test/slow/nvm exec/Running \"nvm exec 0.x\" should work"
new file mode 100755
index 0000000..7798d79
--- /dev/null
+++ "b/test/slow/nvm exec/Running \"nvm exec 0.x\" should work"
@@ -0,0 +1,13 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm use 0.10
+NPM_VERSION_TEN="$(npm --version)"
+
+nvm use 0.11.7 && [ "$(node --version)" = "v0.11.7" ] || die "\`nvm use\` failed!"
+
+[ "$(nvm exec 0.10 npm --version | tail -1)" = "$NPM_VERSION_TEN" ] || die "`nvm exec` failed to run with the correct version"
+
diff --git "a/test/slow/nvm exec/Running \"nvm exec\" should pick up .nvmrc version" "b/test/slow/nvm exec/Running \"nvm exec\" should pick up .nvmrc version"
new file mode 100755
index 0000000..203cd9a
--- /dev/null
+++ "b/test/slow/nvm exec/Running \"nvm exec\" should pick up .nvmrc version"
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+die () { echo $@ ; exit 1; }
+
+. ../../../nvm.sh
+
+nvm use 0.10.7
+NPM_VERSION_TEN="$(npm --version)"
+
+nvm use 0.11.7 && [ "$(node --version)" = "v0.11.7" ] || die "\`nvm use\` failed!"
+
+echo "0.10.7" > .nvmrc
+
+[ "$(nvm exec npm --version | tail -1)" = "$NPM_VERSION_TEN" ] || die "\`nvm exec\` failed to run with the .nvmrc version"
+
+[ "$(nvm exec npm --version | head -1)" = "Found '$PWD/.nvmrc' with version <0.10.7>" ] || die "\`nvm exec\` failed to print out the \"found in .nvmrc\" message"
+
diff --git a/test/slow/nvm exec/setup_dir b/test/slow/nvm exec/setup_dir
new file mode 100755
index 0000000..a5fc4bc
--- /dev/null
+++ b/test/slow/nvm exec/setup_dir
@@ -0,0 +1,10 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+nvm install 0.10.7
+nvm install 0.11.7
+
+if [ -f ".nvmrc" ]; then
+ mv .nvmrc .nvmrc.bak
+fi
+
diff --git a/test/slow/nvm exec/teardown_dir b/test/slow/nvm exec/teardown_dir
new file mode 100755
index 0000000..a6b923c
--- /dev/null
+++ b/test/slow/nvm exec/teardown_dir
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+. ../../../nvm.sh
+nvm uninstall v0.10.7
+nvm uninstall v0.11.7
+
+rm .nvmrc
+
+if [ -f ".nvmrc.bak" ]; then
+ mv .nvmrc.bak .nvmrc
+fi
+
