Add tests for bitsLeft and bitsRead

Author: tsolomko

Tests/BitByteDataTests/LsbBitReaderTests.swift

@@ -128,4 +128,32 @@ class LsbBitReaderTests: XCTestCase {
         XCTAssertEqual(bitReader.int(fromBits: 4), 13)
     }
 
+    func testBitsLeft() {
+        let bitReader = LsbBitReader(data: LsbBitReaderTests.data)
+
+        XCTAssertEqual(bitReader.bitsLeft, 16)
+        _ = bitReader.bits(count: 4)
+        XCTAssertEqual(bitReader.bitsLeft, 12)
+        _ = bitReader.bits(count: 4)
+        XCTAssertEqual(bitReader.bitsLeft, 8)
+        _ = bitReader.bits(count: 2)
+        XCTAssertEqual(bitReader.bitsLeft, 6)
+        _ = bitReader.bits(count: 6)
+        XCTAssertEqual(bitReader.bitsLeft, 0)
+    }
+
+    func testBitsRead() {
+        let bitReader = LsbBitReader(data: LsbBitReaderTests.data)
+
+        XCTAssertEqual(bitReader.bitsRead, 0)
+        _ = bitReader.bits(count: 4)
+        XCTAssertEqual(bitReader.bitsRead, 4)
+        _ = bitReader.bits(count: 4)
+        XCTAssertEqual(bitReader.bitsRead, 8)
+        _ = bitReader.bits(count: 2)
+        XCTAssertEqual(bitReader.bitsRead, 10)
+        _ = bitReader.bits(count: 6)
+        XCTAssertEqual(bitReader.bitsRead, 16)
+    }
+
 }

Tests/BitByteDataTests/MsbBitReaderTests.swift

@@ -128,4 +128,32 @@ class MsbBitReaderTests: XCTestCase {
         XCTAssertEqual(bitReader.int(fromBits: 4), 6)
     }
 
+    func testBitsLeft() {
+        let bitReader = MsbBitReader(data: MsbBitReaderTests.data)
+
+        XCTAssertEqual(bitReader.bitsLeft, 16)
+        _ = bitReader.bits(count: 4)
+        XCTAssertEqual(bitReader.bitsLeft, 12)
+        _ = bitReader.bits(count: 4)
+        XCTAssertEqual(bitReader.bitsLeft, 8)
+        _ = bitReader.bits(count: 2)
+        XCTAssertEqual(bitReader.bitsLeft, 6)
+        _ = bitReader.bits(count: 6)
+        XCTAssertEqual(bitReader.bitsLeft, 0)
+    }
+
+    func testBitsRead() {
+        let bitReader = MsbBitReader(data: MsbBitReaderTests.data)
+
+        XCTAssertEqual(bitReader.bitsRead, 0)
+        _ = bitReader.bits(count: 4)
+        XCTAssertEqual(bitReader.bitsRead, 4)
+        _ = bitReader.bits(count: 4)
+        XCTAssertEqual(bitReader.bitsRead, 8)
+        _ = bitReader.bits(count: 2)
+        XCTAssertEqual(bitReader.bitsRead, 10)
+        _ = bitReader.bits(count: 6)
+        XCTAssertEqual(bitReader.bitsRead, 16)
+    }
+
 }

Tests/LinuxMain.swift

@@ -32,7 +32,9 @@ extension LsbBitReaderTests {
 			("testBitReaderBytes", testBitReaderBytes),
 			("testBitReaderUint16", testBitReaderUint16),
 			("testBitReaderNonZeroStartIndex", testBitReaderNonZeroStartIndex),
-            ("testConvertedByteReader", testConvertedByteReader)
+            ("testConvertedByteReader", testConvertedByteReader),
+            ("testBitsLeft", testBitsLeft),
+            ("testBitsLeft", testBitsRead)
 		]
 	}
 }
@@ -49,7 +51,9 @@ extension MsbBitReaderTests {
 			("testBitReaderBytes", testBitReaderBytes),
 			("testBitReaderUint16", testBitReaderUint16),
             ("testBitReaderNonZeroStartIndex", testBitReaderNonZeroStartIndex),
-            ("testConvertedByteReader", testConvertedByteReader)
+            ("testConvertedByteReader", testConvertedByteReader),
+            ("testBitsLeft", testBitsLeft),
+            ("testBitsLeft", testBitsRead)
 		]
 	}
 }