1 files changed, 120 insertions, 0 deletions
diff --git a/js/src/tests/non262/Date/time-zone-pst.js b/js/src/tests/non262/Date/time-zone-pst.js
new file mode 100644
index 0000000000..341d3c8236
--- /dev/null
+++ b/js/src/tests/non262/Date/time-zone-pst.js
@@ -0,0 +1,120 @@
+// |reftest| skip-if(!xulRuntime.shell)
+
+assertEq(/^(PST|PDT)$/.test(getTimeZone()), true,
+         "The default time zone is set to PST8PDT for all jstests (when run in the shell)");
+
+const msPerMinute = 60 * 1000;
+
+function shortTimeZone(str) {
+    return str.replace("(Pacific Standard Time)", "(PST)")
+              .replace("(Pacific Daylight Time)", "(PDT)");
+}
+
+function assertEqDate(dt, date, time) {
+    assertEq(shortTimeZone(dt.toString()), `${date} ${time}`);
+    assertEq(dt.toDateString(), date);
+    assertEq(shortTimeZone(dt.toTimeString()), time);
+}
+
+// PDT -> PST, using milliseconds from epoch.
+{
+    let midnight = new Date(2016, Month.November, 6, 0, 0, 0, 0);
+    let midnightUTC = Date.UTC(2016, Month.November, 6, 0, 0, 0, 0);
+
+    // Ensure midnight time is correct.
+    assertEq(midnightUTC - midnight.getTime(), -7 * msPerHour);
+
+    let tests = [
+        { offset: 0 * 60,      date: "Sun Nov 06 2016", time: "00:00:00 GMT-0700 (PDT)" },
+        { offset: 0 * 60 + 30, date: "Sun Nov 06 2016", time: "00:30:00 GMT-0700 (PDT)" },
+        { offset: 1 * 60,      date: "Sun Nov 06 2016", time: "01:00:00 GMT-0700 (PDT)" },
+        { offset: 1 * 60 + 30, date: "Sun Nov 06 2016", time: "01:30:00 GMT-0700 (PDT)" },
+        { offset: 2 * 60,      date: "Sun Nov 06 2016", time: "01:00:00 GMT-0800 (PST)" },
+        { offset: 2 * 60 + 30, date: "Sun Nov 06 2016", time: "01:30:00 GMT-0800 (PST)" },
+        { offset: 3 * 60,      date: "Sun Nov 06 2016", time: "02:00:00 GMT-0800 (PST)" },
+        { offset: 3 * 60 + 30, date: "Sun Nov 06 2016", time: "02:30:00 GMT-0800 (PST)" },
+        { offset: 4 * 60,      date: "Sun Nov 06 2016", time: "03:00:00 GMT-0800 (PST)" },
+        { offset: 4 * 60 + 30, date: "Sun Nov 06 2016", time: "03:30:00 GMT-0800 (PST)" },
+    ];
+
+    for (let {offset, date, time} of tests) {
+        let dt = new Date(midnight.getTime() + offset * msPerMinute);
+        assertEqDate(dt, date, time);
+    }
+}
+
+
+// PDT -> PST, using local date-time.
+{
+    let tests = [
+        { offset: 0 * 60,      date: "Sun Nov 06 2016", time: "00:00:00 GMT-0700 (PDT)" },
+        { offset: 0 * 60 + 30, date: "Sun Nov 06 2016", time: "00:30:00 GMT-0700 (PDT)" },
+        { offset: 1 * 60,      date: "Sun Nov 06 2016", time: "01:00:00 GMT-0700 (PDT)" },
+        { offset: 1 * 60 + 30, date: "Sun Nov 06 2016", time: "01:30:00 GMT-0700 (PDT)" },
+        { offset: 2 * 60,      date: "Sun Nov 06 2016", time: "02:00:00 GMT-0800 (PST)" },
+        { offset: 2 * 60 + 30, date: "Sun Nov 06 2016", time: "02:30:00 GMT-0800 (PST)" },
+        { offset: 3 * 60,      date: "Sun Nov 06 2016", time: "03:00:00 GMT-0800 (PST)" },
+        { offset: 3 * 60 + 30, date: "Sun Nov 06 2016", time: "03:30:00 GMT-0800 (PST)" },
+        { offset: 4 * 60,      date: "Sun Nov 06 2016", time: "04:00:00 GMT-0800 (PST)" },
+        { offset: 4 * 60 + 30, date: "Sun Nov 06 2016", time: "04:30:00 GMT-0800 (PST)" },
+    ];
+
+    for (let {offset, date, time} of tests) {
+        let dt = new Date(2016, Month.November, 6, (offset / 60)|0, (offset % 60), 0, 0);
+        assertEqDate(dt, date, time);
+    }
+}
+
+
+// PST -> PDT, using milliseconds from epoch.
+{
+    let midnight = new Date(2016, Month.March, 13, 0, 0, 0, 0);
+    let midnightUTC = Date.UTC(2016, Month.March, 13, 0, 0, 0, 0);
+
+    // Ensure midnight time is correct.
+    assertEq(midnightUTC - midnight.getTime(), -8 * msPerHour);
+
+    let tests = [
+        { offset: 0 * 60,      date: "Sun Mar 13 2016", time: "00:00:00 GMT-0800 (PST)" },
+        { offset: 0 * 60 + 30, date: "Sun Mar 13 2016", time: "00:30:00 GMT-0800 (PST)" },
+        { offset: 1 * 60,      date: "Sun Mar 13 2016", time: "01:00:00 GMT-0800 (PST)" },
+        { offset: 1 * 60 + 30, date: "Sun Mar 13 2016", time: "01:30:00 GMT-0800 (PST)" },
+        { offset: 2 * 60,      date: "Sun Mar 13 2016", time: "03:00:00 GMT-0700 (PDT)" },
+        { offset: 2 * 60 + 30, date: "Sun Mar 13 2016", time: "03:30:00 GMT-0700 (PDT)" },
+        { offset: 3 * 60,      date: "Sun Mar 13 2016", time: "04:00:00 GMT-0700 (PDT)" },
+        { offset: 3 * 60 + 30, date: "Sun Mar 13 2016", time: "04:30:00 GMT-0700 (PDT)" },
+        { offset: 4 * 60,      date: "Sun Mar 13 2016", time: "05:00:00 GMT-0700 (PDT)" },
+        { offset: 4 * 60 + 30, date: "Sun Mar 13 2016", time: "05:30:00 GMT-0700 (PDT)" },
+    ];
+
+    for (let {offset, date, time} of tests) {
+        let dt = new Date(midnight.getTime() + offset * msPerMinute);
+        assertEqDate(dt, date, time);
+    }
+}
+
+
+// PST -> PDT, using local date-time.
+{
+    let tests = [
+        { offset: 0 * 60,      date: "Sun Mar 13 2016", time: "00:00:00 GMT-0800 (PST)" },
+        { offset: 0 * 60 + 30, date: "Sun Mar 13 2016", time: "00:30:00 GMT-0800 (PST)" },
+        { offset: 1 * 60,      date: "Sun Mar 13 2016", time: "01:00:00 GMT-0800 (PST)" },
+        { offset: 1 * 60 + 30, date: "Sun Mar 13 2016", time: "01:30:00 GMT-0800 (PST)" },
+        { offset: 2 * 60,      date: "Sun Mar 13 2016", time: "03:00:00 GMT-0700 (PDT)" },
+        { offset: 2 * 60 + 30, date: "Sun Mar 13 2016", time: "03:30:00 GMT-0700 (PDT)" },
+        { offset: 3 * 60,      date: "Sun Mar 13 2016", time: "03:00:00 GMT-0700 (PDT)" },
+        { offset: 3 * 60 + 30, date: "Sun Mar 13 2016", time: "03:30:00 GMT-0700 (PDT)" },
+        { offset: 4 * 60,      date: "Sun Mar 13 2016", time: "04:00:00 GMT-0700 (PDT)" },
+        { offset: 4 * 60 + 30, date: "Sun Mar 13 2016", time: "04:30:00 GMT-0700 (PDT)" },
+    ];
+
+    for (let {offset, date, time} of tests) {
+        let dt = new Date(2016, Month.March, 13, (offset / 60)|0, (offset % 60), 0, 0);
+        assertEqDate(dt, date, time);
+    }
+}
+
+
+if (typeof reportCompare === "function")
+    reportCompare(true, true);