Add yaml multiple_* tests

tests/fixtures/app.yaml

@@ -79,6 +79,10 @@ args:
         multiple: true
         use_delimiter: true
         require_delimiter: true
+    - settings:
+        short: s
+        takes_value: true
+        multiple_values: true
     - singlealias:
         long: singlealias
         about: Tests single alias
@@ -122,6 +126,11 @@ args:
         long: value-hint
         help: Test value_hint
         value_hint: FilePath
+    - verbose:
+        short: v
+        multiple_occurrences: true
+        takes_value: false
+        help: Sets the level of verbosity
     - visiblealiases:
         long: visiblealiases
         about: Tests visible aliases

tests/yaml.rs

@@ -100,6 +100,24 @@ fn default_value_if_triggered_by_flag_and_argument() {
     assert_eq!(matches.value_of("positional2").unwrap(), "some");
 }
 
+#[test]
+fn yaml_multiple_occurrences() {
+    let yaml = load_yaml!("fixtures/app.yaml");
+    let matches = App::from(yaml)
+        .try_get_matches_from(vec!["prog", "-vvv"])
+        .unwrap();
+    assert_eq!(matches.occurrences_of("verbose"), 3);
+}
+
+#[test]
+fn yaml_multiple_values() {
+    let yaml = load_yaml!("fixtures/app.yaml");
+    let matches = App::from(yaml)
+        .try_get_matches_from(vec!["prog", "-s", "aaa", "bbb"])
+        .unwrap();
+    assert_eq!(matches.values_of("settings").unwrap().collect::<Vec<&str>>(), vec!["aaa", "bbb"]);
+}
+
 #[cfg(feature = "regex")]
 #[test]
 fn regex_with_invalid_string() {