52 lines
1.3 KiB
TypeScript
52 lines
1.3 KiB
TypeScript
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import test from "node:test";
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import assert from "node:assert/strict";
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import { forceXTermFontRemeasure } from "./terminalFontRemeasure";
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test("forceXTermFontRemeasure uses xterm char size service when available", () => {
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let measured = 0;
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const term = {
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_core: {
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_charSizeService: {
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measure() {
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measured += 1;
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},
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},
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},
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options: {
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fontSize: 14,
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},
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};
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assert.equal(forceXTermFontRemeasure(term), true);
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assert.equal(measured, 1);
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assert.equal(term.options.fontSize, 14);
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});
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test("forceXTermFontRemeasure falls back to a restored font size nudge", () => {
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let fontSize = 14;
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const writes: number[] = [];
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const term = {
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options: {},
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} as { options: { fontSize: number } };
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Object.defineProperty(term.options, "fontSize", {
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get: () => fontSize,
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set: (next: number) => {
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writes.push(next);
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fontSize = next;
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},
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});
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assert.equal(forceXTermFontRemeasure(term), true);
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assert.equal(writes.length, 2);
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assert.ok(writes[0] > 14);
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assert.equal(writes[1], 14);
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assert.equal(term.options.fontSize, 14);
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});
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test("forceXTermFontRemeasure reports unavailable when no measurement path exists", () => {
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assert.equal(forceXTermFontRemeasure({}), false);
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assert.equal(forceXTermFontRemeasure({ options: { fontSize: Number.NaN } }), false);
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});
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