115 lines
5.0 KiB
JavaScript
115 lines
5.0 KiB
JavaScript
import * as sharedUtil from "../../../src/common/util-shared.js";
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test("shared util has correct structure", () => {
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expect(typeof sharedUtil.getMaxContinuousCount).toBe("function");
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expect(typeof sharedUtil.getStringWidth).toBe("function");
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expect(typeof sharedUtil.getAlignmentSize).toBe("function");
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expect(typeof sharedUtil.getIndentSize).toBe("function");
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expect(typeof sharedUtil.skip).toBe("function");
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expect(typeof sharedUtil.skipWhitespace).toBe("function");
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expect(typeof sharedUtil.skipSpaces).toBe("function");
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expect(typeof sharedUtil.skipToLineEnd).toBe("function");
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expect(typeof sharedUtil.skipEverythingButNewLine).toBe("function");
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expect(typeof sharedUtil.skipInlineComment).toBe("function");
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expect(typeof sharedUtil.skipTrailingComment).toBe("function");
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expect(typeof sharedUtil.skipNewline).toBe("function");
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expect(typeof sharedUtil.hasNewline).toBe("function");
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expect(typeof sharedUtil.hasNewlineInRange).toBe("function");
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expect(typeof sharedUtil.hasSpaces).toBe("function");
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expect(typeof sharedUtil.isNextLineEmpty).toBe("function");
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expect(typeof sharedUtil.isNextLineEmptyAfterIndex).toBe("function");
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expect(typeof sharedUtil.isPreviousLineEmpty).toBe("function");
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expect(typeof sharedUtil.getNextNonSpaceNonCommentCharacterIndex).toBe(
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"function"
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);
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expect(typeof sharedUtil.makeString).toBe("function");
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});
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test("sharedUtil.getMaxContinuousCount", () => {
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const { getMaxContinuousCount } = sharedUtil;
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expect(getMaxContinuousCount("|---|--|-|--|---|", "-")).toBe(3);
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expect(getMaxContinuousCount("|...|", ".")).toBe(3);
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const fixture = [
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"([a-f])([a-f])",
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"[a-f][a-f][a-f]",
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"a-fa-fa-fa-f",
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"bbbbbbbbbbbbbbbbbb", // neither `a-f` `[a-f]` `([a-f])` should matches `b`
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].join("");
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expect(getMaxContinuousCount(fixture, "([a-f])")).toBe(2);
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expect(getMaxContinuousCount(fixture, "[a-f]")).toBe(3);
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expect(getMaxContinuousCount(fixture, "a-f")).toBe(4);
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expect(getMaxContinuousCount(fixture, "([a\\-f])")).toBe(0);
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expect(getMaxContinuousCount(fixture, "[a\\-f]")).toBe(0);
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expect(getMaxContinuousCount(fixture, "a\\-f")).toBe(0);
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});
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test("sharedUtil.getStringWidth", () => {
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const { getStringWidth } = sharedUtil;
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// From https://github.com/sindresorhus/string-width/blob/master/test.js
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expect(getStringWidth("abcde")).toBe(5);
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expect(getStringWidth("古池や")).toBe(6);
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expect(getStringWidth("あいうabc")).toBe(9);
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expect(getStringWidth("ノード.js")).toBe(9);
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expect(getStringWidth("你好")).toBe(4);
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expect(getStringWidth("안녕하세요")).toBe(10);
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expect(getStringWidth("A\uD83C\uDE00BC")).toBe(5);
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expect(getStringWidth("\u001B[31m\u001B[39m")).toBe(0);
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expect(
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getStringWidth("\u001B]8;;https://github.com\u0007Click\u001B]8;;\u0007")
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).toBe(5);
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expect(getStringWidth("\u{231A}")).toBe(2);
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expect(getStringWidth("\u{2194}\u{FE0F}")).toBe(2);
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expect(getStringWidth("\u{1F469}")).toBe(2);
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expect(getStringWidth("\u{1F469}\u{1F3FF}")).toBe(2);
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expect(getStringWidth(String.fromCharCode(0))).toBe(0);
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expect(getStringWidth(String.fromCharCode(31))).toBe(0);
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// expect(getStringWidth(String.fromCharCode(127))).toBe(0); // Different with `string-width`
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expect(getStringWidth(String.fromCharCode(134))).toBe(0);
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expect(getStringWidth(String.fromCharCode(159))).toBe(0);
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expect(getStringWidth("\u001B")).toBe(0);
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// expect(getStringWidth("x\u0300"), 1); // Different with `string-width`
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});
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test("sharedUtil.getAlignmentSize", () => {
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const { getAlignmentSize } = sharedUtil;
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expect(getAlignmentSize(" ")).toBe(3);
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expect(getAlignmentSize(" ", /* tabWidth */ 2, /* startIndex */ 2)).toBe(1);
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expect(getAlignmentSize("\t\t", /* tabWidth */ 2)).toBe(4);
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expect(getAlignmentSize("\t\t", /* tabWidth */ 3)).toBe(6);
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expect(getAlignmentSize("\t\t", /* tabWidth */ 3, /* startIndex */ 1)).toBe(
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3
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);
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});
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test("sharedUtil.getIndentSize", () => {
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const { getIndentSize } = sharedUtil;
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expect(getIndentSize("\n a")).toBe(3);
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expect(getIndentSize("\n a", /* tabWidth */ 2)).toBe(3);
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expect(getIndentSize("\n\t\ta", /* tabWidth */ 2)).toBe(4);
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expect(getIndentSize("\n\t\ta", /* tabWidth */ 3)).toBe(6);
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expect(getIndentSize("\n\t\n\t\t", /* tabWidth */ 2)).toBe(4);
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expect(getIndentSize("\n \n ", /* tabWidth */ 2)).toBe(2);
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expect(getIndentSize(" \n\t\t\n", /* tabWidth */ 2)).toBe(0);
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});
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test("sharedUtil.makeString", () => {
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const { makeString } = sharedUtil;
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const DOUBLE_QUOTE = '"';
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const SINGLE_QUOTE = "'";
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expect(makeString("a", DOUBLE_QUOTE)).toBe(`${DOUBLE_QUOTE}a${DOUBLE_QUOTE}`);
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expect(makeString("a", SINGLE_QUOTE)).toBe(`${SINGLE_QUOTE}a${SINGLE_QUOTE}`);
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expect(makeString(`a${DOUBLE_QUOTE}`, DOUBLE_QUOTE)).toBe(
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`${DOUBLE_QUOTE}a\\${DOUBLE_QUOTE}${DOUBLE_QUOTE}`
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);
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expect(makeString(`a${DOUBLE_QUOTE}`, SINGLE_QUOTE)).toBe(
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`${SINGLE_QUOTE}a${DOUBLE_QUOTE}${SINGLE_QUOTE}`
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);
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expect(
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makeString("\\a", SINGLE_QUOTE, /* unescapeUnnecessaryEscapes */ true)
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).toBe(`${SINGLE_QUOTE}a${SINGLE_QUOTE}`);
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});
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