1 files changed, 95 insertions, 0 deletions
diff --git a/desktop/island/test_controls.js b/desktop/island/test_controls.js
new file mode 100644
index 0000000..f84e472
--- /dev/null
+++ b/desktop/island/test_controls.js
@@ -0,0 +1,95 @@
+// Copyright (C) 2026 Danilo M. <danix@danix.xyz>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License version 2 as
+// published by the Free Software Foundation.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+
+// Run: node desktop/island/test_controls.js
+// Controls.js is a QML library, so its .pragma line is stripped before node
+// evaluates it, as test_logic.js does for Logic.js.
+
+const fs = require("fs");
+const assert = require("assert");
+
+const src = fs.readFileSync(__dirname + "/Controls.js", "utf8")
+    .replace(/^\.pragma library$/m, "");
+const C = new Function(src +
+    "\nreturn { defaults, tile, icon, normalize, hidden, move, hide, show, fill, step, slotAt };")();
+
+const ALL = ["wifi", "bluetooth", "dnd", "presentation", "nolock", "output", "mic"];
+
+// Defaults: all seven, a fresh copy each time.
+assert.deepStrictEqual(C.defaults(), ALL);
+const d = C.defaults(); d.pop();
+assert.deepStrictEqual(C.defaults(), ALL);
+
+// Table: label and drawer page; unknown is null.
+assert.strictEqual(C.tile("wifi").page, "network");
+assert.strictEqual(C.tile("nolock").label, "Auto-lock");
+assert.strictEqual(C.tile("mic").page, "sound");
+assert.strictEqual(C.tile("nope"), null);
+
+// Icons by state. Output is Logic.volumeIcon's job, so "" here.
+assert.strictEqual(C.icon("wifi", true), "network-wireless");
+assert.strictEqual(C.icon("wifi", false), "network-wireless-disconnected");
+assert.strictEqual(C.icon("dnd", true), "notifications-disabled");
+assert.strictEqual(C.icon("dnd", false), "notifications");
+assert.strictEqual(C.icon("mic", true), "audio-input-microphone");
+assert.strictEqual(C.icon("mic", false), "microphone-sensitivity-muted");
+assert.strictEqual(C.icon("bluetooth", false), "preferences-system-bluetooth");
+assert.strictEqual(C.icon("output", true), "");
+
+// normalize: drops unknown ids and duplicates, keeps order; an empty list
+// is valid (everything hidden); a non-array is the default.
+assert.deepStrictEqual(C.normalize(["mic", "gone", "wifi", "mic"]), ["mic", "wifi"]);
+assert.deepStrictEqual(C.normalize([]), []);
+assert.deepStrictEqual(C.normalize("wifi"), ALL);
+assert.deepStrictEqual(C.normalize(undefined), ALL);
+
+// hidden: known ids not in the list, in table order.
+assert.deepStrictEqual(C.hidden(["wifi", "mic"]), ["bluetooth", "dnd", "presentation", "nolock", "output"]);
+assert.deepStrictEqual(C.hidden(ALL), []);
+
+// move: from index to index, input untouched.
+const src3 = ["a", "b", "c"];
+assert.deepStrictEqual(C.move(src3, 0, 2), ["b", "c", "a"]);
+assert.deepStrictEqual(C.move(src3, 2, 0), ["c", "a", "b"]);
+assert.deepStrictEqual(C.move(src3, 1, 1), ["a", "b", "c"]);
+assert.deepStrictEqual(src3, ["a", "b", "c"]);
+
+// hide / show.
+assert.deepStrictEqual(C.hide(["wifi", "mic"], "wifi"), ["mic"]);
+assert.deepStrictEqual(C.show(["mic"], "wifi"), ["mic", "wifi"]);
+assert.deepStrictEqual(C.show(["mic"], "mic"), ["mic"]);
+assert.deepStrictEqual(C.show(["mic"], "nope"), ["mic"]);
+
+// fill: volume clamped to 0..1; unpopulated reads as empty, not full.
+assert.strictEqual(C.fill(0.4), 0.4);
+assert.strictEqual(C.fill(1.5), 1);
+assert.strictEqual(C.fill(-1), 0);
+assert.strictEqual(C.fill(undefined), 0);
+assert.strictEqual(C.fill(NaN), 0);
+
+// step: 5% steps, rounded to the percent, clamped to 0..max.
+assert.strictEqual(C.step(0.5, 0.05, 1.5), 0.55);
+assert.strictEqual(C.step(0.02, -0.05, 1.5), 0);
+assert.strictEqual(C.step(1.48, 0.05, 1.5), 1.5);
+assert.strictEqual(C.step(0.98, 0.05, 1.0), 1);
+assert.strictEqual(C.step(0.1 + 0.2, 0.05, 1), 0.35);
+assert.strictEqual(C.step(undefined, 0.05, 1), 0.05);
+
+// slotAt: pitch 70, 4 columns, 7 tiles.
+assert.strictEqual(C.slotAt(35, 35, 70, 4, 7), 0);
+assert.strictEqual(C.slotAt(175, 35, 70, 4, 7), 2);
+assert.strictEqual(C.slotAt(105, 105, 70, 4, 7), 5);
+assert.strictEqual(C.slotAt(-50, -50, 70, 4, 7), 0);     // off the top left
+assert.strictEqual(C.slotAt(500, 35, 70, 4, 7), 3);      // past the right edge
+assert.strictEqual(C.slotAt(275, 105, 70, 4, 7), 6);     // empty 8th slot -> last
+assert.strictEqual(C.slotAt(35, 900, 70, 4, 7), 6);      // below the grid -> last
+
+console.log("test_controls: ok");