Keep track of return value from original widget (#135)

test/bind_test.zsh

@@ -0,0 +1,45 @@
+#!/usr/bin/env zsh
+
+source "${0:a:h}/test_helper.zsh"
+
+oneTimeSetUp() {
+	source_autosuggestions
+}
+
+testInvokeOriginalWidgetDefined() {
+	stub_and_eval \
+		zle \
+		'return 1'
+
+	_zsh_autosuggest_invoke_original_widget 'self-insert'
+
+	assertEquals \
+		'1' \
+		"$?"
+
+	assertTrue \
+		'zle was not invoked' \
+		'stub_called zle'
+
+	restore zle
+}
+
+testInvokeOriginalWidgetUndefined() {
+	stub_and_eval \
+		zle \
+		'return 1'
+
+	_zsh_autosuggest_invoke_original_widget 'some-undefined-widget'
+
+	assertEquals \
+		'0' \
+		"$?"
+
+	assertFalse \
+		'zle was invoked' \
+		'stub_called zle'
+
+	restore zle
+}
+
+run_tests "$0"