add setDefaults test

DXFeedFramework/Native/Schedule/NativeSchedule.swift

@@ -85,6 +85,12 @@ class NativeSchedule {
         return try createDay(thread, day)
     }
 
+    public func getDayByYearMonthDay(yearMonthDay: Int32) throws -> ScheduleDay {
+        let thread = currentThread()
+        let day = try ErrorCheck.nativeCall(thread, dxfg_Schedule_getDayByYearMonthDay(thread, schedule, yearMonthDay))
+        return try createDay(thread, day)
+    }
+
     private func createDay(_ thread: OpaquePointer?,
                            _ day: UnsafeMutablePointer<dxfg_day_t>) throws -> ScheduleDay {
         let scheduleDay = ScheduleDay()

DXFeedFramework/Schedule/DXSchedule.swift

@@ -96,6 +96,23 @@ public class DXSchedule {
         return day
     }
 
+    /// Returns day for specified year, month and day numbers.
+    ///
+    /// Year, month, and day numbers shall be decimally packed in the following way:
+    /// YearMonthDay = year * 10000 + month * 100 + day
+    /// For example, September 28, 1977 has value 19770928.
+    /// If specified day does not exist then this method returns day with
+    /// the lowest valid YearMonthDay that is greater than specified one.
+    /// This method will throw {@link IllegalArgumentException} if specified year, month and day numbers
+    /// fall outside of valid date range from 0001-01-02 to 9999-12-30.
+    /// - Parameters:
+    ///    - yearMonthDay: year, month and day numbers to search for
+    /// - Throws: GraalException. Rethrows exception from Java.recore
+    public func getDayByYearMonthDay(yearMonthDay: Int32) throws -> ScheduleDay {
+        let day = try native.getDayByYearMonthDay(yearMonthDay: yearMonthDay)
+        return day
+    }
+
     /// Returns session that contains specified time.
     ///
     /// This method will throw exception

DXFeedFrameworkTests/ScheduleTest.swift

@@ -234,4 +234,31 @@ final class ScheduleTest: XCTestCase {
         }
     }
 
+    func testSetDefaults() throws {
+        let goodHoliday = 20170111
+        let badHoliday = 20170118
+        let worstHoliday = 20170125
+        let def = "date=30000101-000000+0000\n\nhd.GOOD=\\\n" + "\(goodHoliday)" + ",\\\n\n"
+        // test that changing defaults works by adding new holidays list
+        try DXSchedule.setDefaults(def.data(using: .utf8)!)
+        let goodSchedule = try DXSchedule(scheduleDefinition: "(tz=GMT;0=;hd=GOOD)")
+        try checkHoliday(goodSchedule, goodHoliday)
+        // test that changing defaults works again by adding yet another holidays list
+        try DXSchedule.setDefaults((def + "hd.BAD=\\\n" + "\(badHoliday)" + ",\\").data(using: .utf8)!)
+        let badSchedule = try DXSchedule(scheduleDefinition: "(tz=GMT;0=;hd=BAD)")
+        try checkHoliday(goodSchedule, goodHoliday)
+        try checkHoliday(badSchedule, badHoliday)
+        // test that replacing holidays list with new value works and affects old schedule instance
+        try DXSchedule.setDefaults((def + "hd.BAD=\\\n" + "\(worstHoliday)" + ",\\").data(using: .utf8)!)
+        try checkHoliday(goodSchedule, goodHoliday)
+        XCTAssertFalse(try badSchedule.getDayByYearMonthDay(yearMonthDay: Int32(badHoliday)).holiday == 1)
+        try checkHoliday(badSchedule, worstHoliday)
+    }
+
+    private func checkHoliday(_ schedule: DXSchedule, _ holiday: Int) throws {
+        for index in holiday-1...holiday+1 {
+            let day = try schedule.getDayByYearMonthDay(yearMonthDay: Int32(index))
+            XCTAssert((index == holiday) == (day.holiday == 1))
+        }
+    }
 }