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test/parallel
- test-util-inspect.js

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`‎test/parallel/test-util-inspect.js‎`

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+32Lines changed: 32 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -3021,3 +3021,35 @@ assert.strictEqual(`
`3021`	`3021`	`'}'`
`3022`	`3022`	`);`
`3023`	`3023`	`}`
	`3024`	`+`
	`3025`	`+{`
	`3026`	`+ // Confirm null prototype of generator prototype displays as expected.`
	`3027`	`+`
	`3028`	`+ function getProtoOfProto() {`
	`3029`	`+ return Object.getPrototypeOf(Object.getPrototypeOf(function* () {}));`
	`3030`	`+ }`
	`3031`	`+`
	`3032`	`+ function* generator() {}`
	`3033`	`+`
	`3034`	`+ const generatorPrototype = Object.getPrototypeOf(generator);`
	`3035`	`+ const originalProtoOfProto = Object.getPrototypeOf(generatorPrototype);`
	`3036`	`+ assert.strictEqual(getProtoOfProto(), originalProtoOfProto);`
	`3037`	`+ Object.setPrototypeOf(generatorPrototype, null);`
	`3038`	`+ assert.notStrictEqual(getProtoOfProto, originalProtoOfProto);`
	`3039`	`+`
	`3040`	`+ // This is the actual test. The other assertions in this block are about`
	`3041`	`+ // making sure the test is set up correctly and isn't polluting other tests.`
	`3042`	`+ assert.strictEqual(`
	`3043`	`+ util.inspect(generator, { showHidden: true }),`
	`3044`	`+ '[GeneratorFunction: generator] {\n' +`
	`3045`	`+ ' [length]: 0,\n' +`
	`3046`	`+ " [name]: 'generator',\n" +`
	`3047`	`+ " [prototype]: Object [Generator] { [Symbol(Symbol.toStringTag)]: 'Generator' },\n" + // eslint-disable-line max-len`
	`3048`	`+ " [Symbol(Symbol.toStringTag)]: 'GeneratorFunction'\n" +`
	`3049`	`+ '}'`
	`3050`	`+ );`
	`3051`	`+`
	`3052`	`+ // Reset so we don't pollute other tests`
	`3053`	`+ Object.setPrototypeOf(generatorPrototype, originalProtoOfProto);`
	`3054`	`+ assert.strictEqual(getProtoOfProto(), originalProtoOfProto);`
	`3055`	`+}`

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