From 6aa3661e111fe646b3a33d11b10f8381b7542154 Mon Sep 17 00:00:00 2001
From: toversus <toversus2357@gmail.com>
Date: Mon, 9 Jul 2018 17:54:19 +0900
Subject: [PATCH] binding for Date.prototype.getUTCHours()

---
 src/js.rs                    |  6 ++++++
 tests/all/js_globals/Date.rs | 36 ++++++++++++++++++++++++++++++++++++
 2 files changed, 42 insertions(+)

diff --git a/src/js.rs b/src/js.rs
index 3bbc1efb..2eabf6cf 100644
--- a/src/js.rs
+++ b/src/js.rs
@@ -913,6 +913,12 @@ extern "C" {
     #[wasm_bindgen(method, js_name = getUTCFullYear)]
     pub fn get_utc_full_year(this: &Date) -> u32;
 
+    /// The getUTCHours() method returns the hours in the specified date according to universal time.
+    ///
+    /// https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date/getUTCHours
+    #[wasm_bindgen(method, js_name = getUTCHours)]
+    pub fn get_utc_hours(this: &Date) -> u32;
+
     /// Creates a JavaScript Date instance that represents
     /// a single moment in time. Date objects are based on a time value that is
     /// the number of milliseconds since 1 January 1970 UTC.
diff --git a/tests/all/js_globals/Date.rs b/tests/all/js_globals/Date.rs
index e0f11869..98f6d38e 100755
--- a/tests/all/js_globals/Date.rs
+++ b/tests/all/js_globals/Date.rs
@@ -456,6 +456,42 @@ fn get_utc_full_year() {
         .test()
 }
 
+#[test]
+fn get_utc_hours() {
+    project()
+        .file(
+            "src/lib.rs",
+            r#"
+            #![feature(proc_macro, wasm_custom_section)]
+
+            extern crate wasm_bindgen;
+            use wasm_bindgen::prelude::*;
+            use wasm_bindgen::js::Date;
+
+            #[wasm_bindgen]
+            pub fn get_utc_hours(this: &Date) -> u32 {
+                this.get_utc_hours()
+            }
+        "#,
+        )
+        .file(
+            "test.js",
+            r#"
+            import * as assert from "assert";
+            import * as wasm from "./out";
+
+            export function test() {
+                let date1 = new Date('December 31, 1975, 23:15:30 GMT+11:00');
+                let date2 = new Date('December 31, 1975, 23:15:30 GMT-11:00');
+
+                assert.equal(wasm.get_utc_hours(date1), 12);
+                assert.equal(wasm.get_utc_hours(date2), 10);
+            }
+        "#,
+        )
+        .test()
+}
+
 #[test]
 fn new() {
     project()