1 files changed, 36 insertions, 0 deletions
diff --git a/vendor/handlebars/tests/helper_function_lifetime.rs b/vendor/handlebars/tests/helper_function_lifetime.rs
new file mode 100644
index 000000000..fd21f3004
--- /dev/null
+++ b/vendor/handlebars/tests/helper_function_lifetime.rs
@@ -0,0 +1,36 @@
+use handlebars::*;
+
+fn ifcond<'reg, 'rc>(
+    h: &Helper<'reg, 'rc>,
+    handle: &'reg Handlebars,
+    ctx: &'rc Context,
+    render_ctx: &mut RenderContext<'reg, 'rc>,
+    out: &mut dyn Output,
+) -> Result<(), RenderError> {
+    let cond = h
+        .param(0)
+        .and_then(|ref v| v.value().as_bool())
+        .ok_or(RenderError::new("Ifcond takes a boolean !"))? as bool;
+    let temp = if cond { h.template() } else { h.inverse() };
+    match temp {
+        Some(t) => t.render(handle, ctx, render_ctx, out),
+        None => Ok(()),
+    }
+}
+
+#[test]
+fn test_helper() {
+    let mut handlebars = Handlebars::new();
+
+    // register some custom helpers
+    handlebars.register_helper("ifcond", Box::new(ifcond));
+
+    // make data and render it
+    let data = true;
+    assert_eq!(
+        "yes",
+        handlebars
+            .render_template("{{#ifcond this}}yes{{/ifcond}}", &data)
+            .unwrap()
+    );
+}