From 4fba7cae5867f4457b66dec6ba38e8e7d9231f0b Mon Sep 17 00:00:00 2001
From: Tommaso Negri <me@tommasongr.com>
Date: Tue, 27 Oct 2026 16:45:21 +0100
Subject: make highlight parsing more reliable

---
 Tests/barTests/CellTests.swift | 38 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Tests/barTests/CellTests.swift

(limited to 'Tests/barTests')

diff --git a/Tests/barTests/CellTests.swift b/Tests/barTests/CellTests.swift
new file mode 100644
index 0000000..c7aae13
--- /dev/null
+++ b/Tests/barTests/CellTests.swift
@@ -0,0 +1,38 @@
+import SwiftUI
+import Testing
+@testable import bar
+
+@Test(arguments: [
+	"", "ordinary text", "text &!1 more", " &!1 text",
+	"&!", "&!1", "&!12", "&!0", "&!999999999999999999999999999999",
+	"&! text", "&!-1 text", "&!+1 text", "&!１ text", "&!١ text",
+]) func literalCellText(_ input: String) {
+	let cell = Cell(rawValue: input)
+	#expect(cell.rawValue == input)
+	#expect(cell.background == .clear)
+	#expect(cell.id == "\(input):0")
+}
+
+@Test(arguments: ["0", "12", "999999999999999999999999999999"]) func invalidCellLevels(_ level: String) {
+	let cell = Cell(rawValue: "&!\(level) text")
+	#expect(cell.rawValue == " text")
+	#expect(cell.background == .clear)
+	#expect(cell.id == " text:0")
+}
+
+@Test func configuredCellHighlights() {
+	for level in 1...Config.highlights.count {
+		for body in ["hello", " hello", " ", "\t", "\n", "&!2 nested"] {
+			let cell = Cell(rawValue: "&!\(level)\(body)")
+			#expect(cell.rawValue == body)
+			#expect(cell.background == Config.highlights[level - 1])
+			#expect(cell.id == "\(body):\(level)")
+		}
+	}
+	let cell = Cell(rawValue: "&!01 hello")
+	#expect(cell.background == Config.highlights[0])
+	#expect(cell.rawValue == " hello")
+	let outOfRange = Cell(rawValue: "&!\(Config.highlights.count + 1) text")
+	#expect(outOfRange.rawValue == " text")
+	#expect(outOfRange.background == .clear)
+}
-- 
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