1 files changed, 54 insertions, 0 deletions
diff --git a/src/draw.zig b/src/draw.zig
index 9c9e11dd..10303117 100644
--- a/src/draw.zig
+++ b/src/draw.zig
@@ -1477,6 +1477,60 @@ test "a grip's four states, focused or not and clean or dirty, are each its own
     pane.file.?.revision = pane.file.?.saved_revision;
 }
 
+test "every theme draws a file's name, a +Errors and a Tty word in a tint, never the tag's plain ink" {
+    const gpa = std.testing.allocator;
+    const p = try Pardes.init(gpa, .{ .cols = 120, .rows = 40, .tty_only = true });
+    defer p.deinit();
+    _ = try p.setTestFile("text\n");
+    try std.testing.expect(p.executeBuiltinLine(0, "Tty+sh"));
+    const terminal = p.active;
+    p.acknowledgeShell(terminal, "/bin/sh", false);
+    try @import("Output.zig").openErrors(p, 0, try gpa.dupe(u8, "oops\n"));
+    while (p.nextEffect()) |_| {}
+    p.animate_theme_changes = false;
+    const errors = for (p.panes, 0..) |slot, id| {
+        const pane = slot orelse continue;
+        if (pane.file) |f| if (std.mem.endsWith(u8, f.path, "+Errors")) break id;
+    } else return error.NoErrorsPane;
+    const Probe = struct { id: usize, word: []const u8 };
+    const probes = [_]Probe{ .{ .id = 0, .word = "test.txt" }, .{ .id = terminal, .word = "Tty+sh" }, .{ .id = errors, .word = "+Errors" } };
+    var arena: std.heap.ArenaAllocator = .init(gpa);
+    defer arena.deinit();
+    for (pardes.themes, 0..) |theme, index| {
+        colors.setThemeIndex(p, index);
+        // Each pane focused in turn: every word on both grounds.
+        for (probes) |focused| {
+            p.active = focused.id;
+            _ = arena.reset(.retain_capacity);
+            const s = try p.render(arena.allocator());
+            for (probes) |probe| {
+                const r = p.rects[probe.id];
+                const y = p.tagTop(p.panes[probe.id].?, r);
+                // The row's text, and the column each byte of it is drawn at.
+                var row: [512]u8 = undefined;
+                var cols: [512]u16 = undefined;
+                var len: usize = 0;
+                for (r.x..r.x + r.w) |x| {
+                    const g = s.at(@intCast(x), y).grapheme();
+                    for (if (g.len == 0) " " else g) |byte| if (len < row.len) {
+                        row[len] = byte;
+                        cols[len] = @intCast(x);
+                        len += 1;
+                    };
+                }
+                const name = std.mem.indexOf(u8, row[0..len], probe.word) orelse return error.WordNotDrawn;
+                const plain = std.mem.indexOf(u8, row[0..len], " Del") orelse return error.WordNotDrawn;
+                const tint = s.at(cols[name], y).style.fg;
+                const ink = s.at(cols[plain + 1], y).style.fg;
+                if (std.meta.eql(tint, ink)) std.debug.print("{s}: {s} drawn in the tag's ink\n", .{ theme.name, probe.word });
+                try std.testing.expect(!std.meta.eql(tint, ink));
+                // The whole word, in the one tint.
+                try std.testing.expect(std.meta.eql(s.at(cols[name + probe.word.len - 1], y).style.fg, tint));
+            }
+        }
+    }
+}
+
 test "a tag of three rows has its grip on the first, and band under it that still grabs the pane" {
     const p = try Pardes.init(std.testing.allocator, .{ .tty_only = true, .cols = 100, .rows = 30 });
     defer p.deinit();