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// Run: node desktop/island/test_scene_icons.js
//
// 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.
//
// SceneIcons.js is a QML library, so its .pragma line is stripped before node
// evaluates it.
const fs = require("fs");
const assert = require("assert");
const src = fs.readFileSync(__dirname + "/SceneIcons.js", "utf8")
.replace(/^\.pragma library$/m, "");
const I = new Function(src +
"\nreturn { defaults, validGlyph, validMap, normalize, parse, serialize, iconFor };")();
// One code point, even when it is a surrogate pair (U+F02DC, md-home).
assert.strictEqual(I.validGlyph("\u{f02dc}"), true);
assert.strictEqual(I.validGlyph("a"), true);
assert.strictEqual(I.validGlyph(""), false);
assert.strictEqual(I.validGlyph("ab"), false);
// A missing or unparseable file is the starter map, not an empty one.
assert.deepStrictEqual(I.parse(""), I.defaults);
assert.deepStrictEqual(I.parse("not json"), I.defaults);
// A valid file is used as-is: no merge with the defaults.
const one = I.parse('{"generic":"\\udb80\\uded7","scenes":{"Desktop":"\\udb80\\udf79"}}');
assert.deepStrictEqual(one, { generic: "\udb80\uded7", scenes: { Desktop: "\udb80\udf79" } });
assert.strictEqual(I.iconFor(one, "Desktop"), "\udb80\udf79");
assert.strictEqual(I.iconFor(one, "Webcam Only"), "\udb80\uded7");
// Invalid values are dropped; the generic falls back.
const bad = I.parse('{"generic":"","scenes":{"A":"ab","B":"\\udb80\\udf79"}}');
assert.deepStrictEqual(bad, { generic: I.defaults.generic, scenes: { B: "\udb80\udf79" } });
// A non-string value is dropped, never passed to charCodeAt.
assert.deepStrictEqual(I.parse('{"scenes":{"A":42}}'),
{ generic: I.defaults.generic, scenes: {} });
// normalize is what Save writes: empty generic -> default, invalid scene dropped.
assert.deepStrictEqual(
I.normalize({ generic: "", scenes: { A: I.defaults.scenes.Desktop, B: "ab" } }),
{ generic: I.defaults.generic, scenes: { A: I.defaults.scenes.Desktop } });
// Whole-draft validity: an empty generic is allowed (Save substitutes the default).
assert.strictEqual(I.validMap({ generic: "", scenes: { A: "\u{f02dc}" } }), true);
assert.strictEqual(I.validMap({ generic: I.defaults.generic, scenes: { A: "ab" } }), false);
// Round-trip.
assert.deepStrictEqual(I.parse(I.serialize(one)), one);
assert.ok(I.serialize(one).endsWith("\n"));
console.log("ok");
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