Add additional EntityDecodingTests.

Modules/Parser/Tests/FeedParserTests/EntityDecodingTests.swift

@@ -21,7 +21,39 @@ class EntityDecodingTests: XCTestCase {
 		XCTAssertEqual(decoded, "These are the times that try men's souls.")
 	}
 
-	func testEntities() {
+	func testEntityAtBeginning() {
+
+		let s = "'leading single quote"
+		let decoded = HTMLEntityDecoder.decodedString(s)
+
+		XCTAssertEqual(decoded, "'leading single quote")
+	}
+
+	func testEntityAtEnd() {
+
+		let s = "trailing single quote'"
+		let decoded = HTMLEntityDecoder.decodedString(s)
+
+		XCTAssertEqual(decoded, "trailing single quote'")
+	}
+
+	func testEntityInMiddle() {
+
+		let s = "entity ç in middle"
+		let decoded = HTMLEntityDecoder.decodedString(s)
+
+		XCTAssertEqual(decoded, "entity ç in middle")
+	}
+
+	func testMultipleEntitiesInARow() {
+
+		let s = "çèmult……iple 'æ"entities÷♥"
+		let decoded = HTMLEntityDecoder.decodedString(s)
+
+		XCTAssertEqual(decoded, "çèmult……iple 'æ\"entities÷♥")
+	}
+
+	func testOnlyEntity() {
 		var s = "…"
 		var decoded = HTMLEntityDecoder.decodedString(s)