Merge pull request #17 from adamnemecek/removefix

fixed return value of remove, fixed some tests

Author: lemire

Sources/SwiftRoaring/RoaringBitmap.swift

@@ -543,8 +543,8 @@ public final class RoaringBitmap: Sequence, Equatable, CustomStringConvertible,
     @inlinable @inline(__always)
     @discardableResult
     public func remove(_ value: UInt32) -> UInt32? {
-        guard self.removeCheck(value) else { return value }
-        return nil
+        guard self.removeCheck(value) else { return nil }
+        return value
     }
 
     ///
@@ -740,7 +740,7 @@ public final class RoaringBitmap: Sequence, Equatable, CustomStringConvertible,
     }
 
     ///
-    /// use with roaring_bitmap_serialize
+    /// use with `roaring_bitmap_serialize`
     /// see `roaring_bitmap_portable_deserialize` if you want a format that's
     /// compatible with Java and Go implementations
     ///
@@ -962,7 +962,7 @@ public final class RoaringBitmap: Sequence, Equatable, CustomStringConvertible,
         if self.count >= 100 {
             ret.append(", ...")
         }
-        return "{\(ret)}"
+        return "RoaringBitmap(\(ret))"
     }
 
     ///

Tests/swiftRoaringTests/swiftRoaringTests.swift

@@ -11,22 +11,28 @@ class swiftRoaringTests: XCTestCase {
 
     func testAdd() {
         rbm.add(35)
-        XCTAssertEqual(rbm.contains(35), true)
+        XCTAssertTrue(rbm.contains(35))
     }
 
     func testRemove() {
         rbm.add(35)
-        rbm.remove(35)
-        XCTAssertEqual(rbm.contains(35), false)
+        XCTAssert(rbm.remove(35) == 35)
+        XCTAssertFalse(rbm.contains(35))
+    }
+
+    func testUpdate() {
+        rbm.add(35)
+        XCTAssert(rbm.update(with: 35) == 35)
+        XCTAssertTrue(rbm.contains(35))
     }
 
     func testRemoveAll() {
         for k in stride(from: 0, to: 10000, by: 100) {
             rbm.add(UInt32(k))
         }
-        XCTAssertEqual(rbm.isEmpty, false)
+        XCTAssertFalse(rbm.isEmpty)
         rbm.removeAll()
-        XCTAssertEqual(rbm.isEmpty, true)
+        XCTAssertTrue(rbm.isEmpty)
     }
 
     func testRemoveAllWhere() {
@@ -43,17 +49,17 @@ class swiftRoaringTests: XCTestCase {
             count += 1
         }
         for i in rbm {
-            XCTAssertEqual(rbm.contains(i), true)
+            XCTAssertTrue(rbm.contains(i))
             count -= 1
-            if count < 0 {break}
+            if count < 0 { break }
         }
         XCTAssertEqual(count, 0)
     }
 
     func testInitRange() {
         let rbmRange = RoaringBitmap(min: 0, max: 1000, step: 50)
         for k in stride(from: 0, to: 1000, by: 50) {
-            XCTAssertEqual(rbmRange.contains(UInt32(k)), true)
+            XCTAssertTrue(rbmRange.contains(UInt32(k)))
         }
     }
 
@@ -66,11 +72,11 @@ class swiftRoaringTests: XCTestCase {
         let array = [0, 1, 2, 4, 5, 6]
         let rbmArray = RoaringBitmap(values: array.map { UInt32($0) })
         for i in array {
-            XCTAssertEqual(rbmArray.contains(UInt32(i)), true)
+            XCTAssertTrue(rbmArray.contains(UInt32(i)))
         }
         let l: RoaringBitmap = [0, 1, 2, 4, 5, 6]
         for i in array {
-            XCTAssertEqual(l.contains(UInt32(i)), true)
+            XCTAssertTrue(l.contains(UInt32(i)))
         }
     }
 
@@ -378,10 +384,10 @@ class swiftRoaringTests: XCTestCase {
     }
 
     func testIsDisjoint() {
-        let a: RoaringBitmap = [1,2,3,4,5]
-        let b: RoaringBitmap = [6,7,8,9,10]
+        let a: RoaringBitmap = [1, 2, 3, 4, 5]
+        let b: RoaringBitmap = [6, 7, 8, 9, 10]
 
-        let c: RoaringBitmap = [5,6,7,8]
+        let c: RoaringBitmap = [5, 6, 7, 8]
 
         XCTAssert(a.isDisjoint(with: b))
         XCTAssert(!a.isDisjoint(with: c))