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37 lines
1.2 KiB
TypeScript
37 lines
1.2 KiB
TypeScript
import {
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assertEquals,
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assertThrows,
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} from "https://deno.land/std@0.224.0/assert/mod.ts";
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import { getCharacterWidth } from "../mod.ts";
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Deno.test("getCharacterWidth ASCII", () => {
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assertEquals(getCharacterWidth("a"), 1);
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assertEquals(getCharacterWidth("A"), 1);
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assertEquals(getCharacterWidth("1"), 1);
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assertEquals(getCharacterWidth("@"), 1);
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assertEquals(getCharacterWidth(" "), 1);
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assertThrows(() => getCharacterWidth(""));
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assertThrows(() => getCharacterWidth("ab"));
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});
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Deno.test("getCharacterWidth CJK", () => {
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assertEquals(getCharacterWidth("你"), 2);
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assertEquals(getCharacterWidth("好"), 2);
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assertEquals(getCharacterWidth("吗"), 2);
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assertEquals(getCharacterWidth("ガ"), 2);
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assertEquals(getCharacterWidth("ギ"), 2);
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assertEquals(getCharacterWidth("グ"), 2);
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assertEquals(getCharacterWidth("ソ"), 2);
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assertEquals(getCharacterWidth("？"), 2);
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assertEquals(getCharacterWidth("！"), 2);
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assertThrows(() => getCharacterWidth("你好"));
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assertThrows(() => getCharacterWidth("ヨスガノ"));
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});
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Deno.test("getCharacterWidth previously faulty cases", () => {
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assertEquals(getCharacterWidth("𤲶"), 2);
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});
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