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This commit is contained in:
286
node_modules/acorn-private-methods/test/test.js
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vendored
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286
node_modules/acorn-private-methods/test/test.js
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"use strict"
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const assert = require("assert")
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const acorn = require("acorn")
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const privateMethods = require("..")
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const Parser = acorn.Parser.extend(privateMethods)
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function test(text, expectedResult, additionalOptions) {
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it(text, function () {
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const result = Parser.parse(text, Object.assign({ ecmaVersion: 9 }, additionalOptions))
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if (expectedResult) assert.deepStrictEqual(result.body[0], expectedResult)
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})
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}
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function testFail(text, expectedError, additionalOptions) {
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it(text, function () {
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let failed = false
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try {
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Parser.parse(text, Object.assign({ ecmaVersion: 9, plugins: { privateMethods: true } }, additionalOptions))
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} catch (e) {
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assert.strictEqual(e.message, expectedError)
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failed = true
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}
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assert(failed)
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})
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}
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const newNode = (start, props) => Object.assign(new acorn.Node({options: {}}, start), props)
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describe("acorn-private-methods", function () {
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test("class A { a() { this.#a }; #a() {} }")
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test(`var C = class {
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#m() { return 42; }
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constructor() {
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(() => this)().#m
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}
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}`)
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testFail("class A { #a() {}; f() { delete this.#a } }", "Private elements may not be deleted (1:25)")
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testFail("class A { #a() {}; #a() {} }", "Duplicate private element (1:19)")
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test("class A { get #a() {}; set #a(newA) {} }")
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testFail("class A { a() { this.#a } }", "Usage of undeclared private name (1:21)")
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testFail("class A { a() { this.#a } b() { this.#b } }", "Usage of undeclared private name (1:21)")
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testFail("class A { #constructor() {} }", "Classes may not have a private element named constructor (1:10)")
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testFail("class A { #[ab]() {} }", "Unexpected token (1:11)")
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testFail("a = { #ab() {} }", "Unexpected token (1:6)")
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testFail("class A { [{#ab() {}}]() {} }", "Unexpected token (1:12)")
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testFail("class A{ # a() {}}", "Unexpected token (1:11)")
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testFail("class C{ #method() { super(); } };", "super() call outside constructor of a subclass (1:21)")
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test("class C{ #method() { super.y(); } };")
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const classes = [
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{ text: "class A { %s }", ast: getBody => {
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const body = getBody(10)
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return newNode(0, {
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type: "ClassDeclaration",
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end: body.end + 2,
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id: newNode(6, {
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type: "Identifier",
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end: 7,
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name: "A"
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}),
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superClass: null,
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body: newNode(8, {
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type: "ClassBody",
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end: body.end + 2,
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body: [body]
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})
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})
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} },
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{ text: "class A { %s; }", ast: getBody => {
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const body = getBody(10)
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return newNode(0, {
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type: "ClassDeclaration",
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end: body.end + 3,
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id: newNode(6, {
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type: "Identifier",
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end: 7,
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name: "A"
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}),
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superClass: null,
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body: newNode(8, {
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type: "ClassBody",
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end: body.end + 3,
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body: [body]
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})
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})
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} },
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{ text: "class A { %s; #y() {} }", ast: getBody => {
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const body = getBody(10)
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return newNode(0, {
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type: "ClassDeclaration",
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end: body.end + 11,
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id: newNode(6, {
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type: "Identifier",
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end: 7,
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name: "A"
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}),
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superClass: null,
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body: newNode(8, {
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type: "ClassBody",
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end: body.end + 11,
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body: [body, newNode(body.end + 2, {
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type: "MethodDefinition",
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end: body.end + 9,
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kind: "method",
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static: false,
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computed: false,
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key: newNode(body.end + 2, {
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type: "PrivateName",
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end: body.end + 4,
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name: "y"
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}),
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value: newNode(body.end + 4, {
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type: "FunctionExpression",
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end: body.end + 9,
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id: null,
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generator: false,
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expression: false,
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async: false,
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params: [],
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body: newNode(body.end + 7, {
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type: "BlockStatement",
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end: body.end + 9,
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body: []
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})
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})
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}) ]
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})
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})
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} },
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{ text: "class A { %s;a() {} }", ast: getBody => {
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const body = getBody(10)
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return newNode(0, {
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type: "ClassDeclaration",
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end: body.end + 9,
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id: newNode(6, {
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type: "Identifier",
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end: 7,
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name: "A"
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}),
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superClass: null,
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body: newNode(8, {
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type: "ClassBody",
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end: body.end + 9,
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body: [ body, newNode(body.end + 1, {
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type: "MethodDefinition",
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end: body.end + 7,
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kind: "method",
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static: false,
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computed: false,
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key: newNode(body.end + 1, {
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type: "Identifier",
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end: body.end + 2,
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name: "a"
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}),
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value: newNode(body.end + 2, {
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type: "FunctionExpression",
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end: body.end + 7,
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id: null,
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generator: false,
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expression: false,
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async: false,
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params: [],
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body: newNode(body.end + 5, {
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type: "BlockStatement",
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end: body.end + 7,
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body: []
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})
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})
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}) ]
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})
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})
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} },
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{ text: "class A { %s\na() {} }", ast: getBody => {
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const body = getBody(10)
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return newNode(0, {
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type: "ClassDeclaration",
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end: body.end + 9,
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id: newNode(6, {
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type: "Identifier",
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end: 7,
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name: "A"
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}),
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superClass: null,
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body: newNode(8, {
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type: "ClassBody",
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end: body.end + 9,
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body: [
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body,
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newNode(body.end + 1, {
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type: "MethodDefinition",
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end: body.end + 7,
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kind: "method",
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static: false,
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computed: false,
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key: newNode(body.end + 1, {
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type: "Identifier",
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end: body.end + 2,
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name: "a"
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}),
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value: newNode(body.end + 2, {
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type: "FunctionExpression",
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end: body.end + 7,
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id: null,
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generator: false,
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expression: false,
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async: false,
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params: [],
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body: newNode(body.end + 5, {
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type: "BlockStatement",
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end: body.end + 7,
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body: []
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})
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})
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})
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]
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})
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})
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} },
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];
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[
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{ body: "#x() {}", passes: true, ast: start => newNode(start, {
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type: "MethodDefinition",
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end: start + 7,
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computed: false,
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key: newNode(start, {
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type: "PrivateName",
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end: start + 2,
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name: "x"
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}),
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kind: "method",
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static: false,
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value: newNode(start + 2, {
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type: "FunctionExpression",
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end: start + 7,
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async: false,
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body: newNode(start + 5, {
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type: "BlockStatement",
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body: [],
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end: start + 7,
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}),
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expression: false,
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generator: false,
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id: null,
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params: [],
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})
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}) },
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{ body: "get #x() {}", passes: true, ast: start => newNode(start, {
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type: "MethodDefinition",
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end: start + 11,
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computed: false,
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key: newNode(start + 4, {
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type: "PrivateName",
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end: start + 6,
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name: "x"
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}),
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kind: "get",
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static: false,
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value: newNode(start + 6, {
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type: "FunctionExpression",
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end: start + 11,
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async: false,
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body: newNode(start + 9, {
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body: [],
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end: start + 11,
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type: "BlockStatement"
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}),
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expression: false,
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generator: false,
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id: null,
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params: [],
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})
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}) },
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].forEach(bodyInput => {
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const body = bodyInput.body, passes = bodyInput.passes, bodyAst = bodyInput.ast
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classes.forEach(input => {
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const text = input.text, options = input.options || {}, ast = input.ast;
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(passes ? test : testFail)(text.replace("%s", body), ast(bodyAst), options)
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})
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})
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testFail("class C { \\u0061sync m(){} };", "Unexpected token (1:21)")
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test("class A extends B { constructor() { super() } }")
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testFail("class X { static #private() {} }", "Unexpected token (1:17)")
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})
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