1 files changed, 35 insertions, 0 deletions
diff --git a/Tests/NorgKitTests/Models/InlineStyleTests.swift b/Tests/NorgKitTests/Models/InlineStyleTests.swift
new file mode 100644
index 0000000..4eafc12
--- /dev/null
+++ b/Tests/NorgKitTests/Models/InlineStyleTests.swift
@@ -0,0 +1,35 @@
+import Foundation
+import Testing
+
+@testable import NorgKit
+
+struct InlineStyleTests {
+
+  @Test func combinesAndContains() {
+    let style: InlineStyle = [.bold, .italic]
+    #expect(style.contains(.bold))
+    #expect(style.contains(.italic))
+    #expect(!style.contains(.underline))
+  }
+
+  @Test func distinctRawValues() {
+    let all: [InlineStyle] = [
+      .bold, .italic, .underline, .strikethrough,
+      .verbatim, .superscript, .subscript, .spoiler, .math,
+    ]
+    #expect(Set(all.map(\.rawValue)).count == all.count)
+  }
+
+  @Test func encodesAsSingleInteger() throws {
+    let style: InlineStyle = [.bold, .verbatim]
+    let data = try JSONEncoder().encode(style)
+    #expect(String(data: data, encoding: .utf8) == "\(style.rawValue)")
+  }
+
+  @Test func roundTripsThroughJSON() throws {
+    let style: InlineStyle = [.italic, .math, .spoiler]
+    let data = try JSONEncoder().encode(style)
+    let decoded = try JSONDecoder().decode(InlineStyle.self, from: data)
+    #expect(decoded == style)
+  }
+}