From d10f738c758d312db4f8b5ade369abcf74f86f1d Mon Sep 17 00:00:00 2001
From: Yves Biener <yves.biener@gmx.de>
Date: Mon, 24 Feb 2025 16:54:05 +0100
Subject: [PATCH] add(test): cell conversion to ansi enhanced strings

---
 src/cell.zig | 44 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 44 insertions(+)

diff --git a/src/cell.zig b/src/cell.zig
index 470a2e3..54faa61 100644
--- a/src/cell.zig
+++ b/src/cell.zig
@@ -19,3 +19,47 @@ pub fn reset(this: *Cell) void {
 pub fn value(this: Cell, writer: anytype) !void {
     try this.style.value(writer, this.cp);
 }
+
+test "ascii styled text" {
+    const cells: [4]Cell = .{
+        .{ .cp = 'Y', .style = .{ .fg = .green, .bg = .grey, .emphasis = &.{} } },
+        .{ .cp = 'v', .style = .{ .emphasis = &.{ .bold, .underline } } },
+        .{ .cp = 'e', .style = .{ .emphasis = &.{.italic} } },
+        .{ .cp = 's', .style = .{ .fg = .light_green, .bg = .black, .emphasis = &.{.underline} } },
+    };
+
+    var string = std.ArrayList(u8).init(std.testing.allocator);
+    defer string.deinit();
+
+    const writer = string.writer();
+    for (cells) |cell| {
+        try cell.value(writer);
+    }
+    try std.testing.expectEqualSlices(
+        u8,
+        "\x1b[38;5;10;48;5;8;59mY\x1b[0m\x1b[39;49;59;1;4mv\x1b[0m\x1b[39;49;59;3me\x1b[0m\x1b[38;5;2;48;5;16;59;4ms\x1b[0m",
+        string.items,
+    );
+}
+
+test "utf-8 styled text" {
+    const cells: [4]Cell = .{
+        .{ .cp = '╭', .style = .{ .fg = .green, .bg = .grey, .emphasis = &.{} } },
+        .{ .cp = '─', .style = .{ .emphasis = &.{} } },
+        .{ .cp = '┄', .style = .{ .emphasis = &.{} } },
+        .{ .cp = '┘', .style = .{ .fg = .light_green, .bg = .black, .emphasis = &.{.underline} } },
+    };
+
+    var string = std.ArrayList(u8).init(std.testing.allocator);
+    defer string.deinit();
+
+    const writer = string.writer();
+    for (cells) |cell| {
+        try cell.value(writer);
+    }
+    try std.testing.expectEqualSlices(
+        u8,
+        "\x1b[38;5;10;48;5;8;59m╭\x1b[0m\x1b[39;49;59m─\x1b[0m\x1b[39;49;59m┄\x1b[0m\x1b[38;5;2;48;5;16;59;4m┘\x1b[0m",
+        string.items,
+    );
+}