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70 lines
2.2 KiB
Plaintext
70 lines
2.2 KiB
Plaintext
// Copyright (C) 2017 Valerie Young. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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desc: static private methods with fields
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info: |
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ClassElement :
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...
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static FieldDefinition ;
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FieldDefinition :
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ClassElementName Initializer_opt
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ClassElementName :
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PrivateName
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PrivateName :
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# IdentifierName
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template: productions
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features: [class-static-methods-private, class-static-fields-private]
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---*/
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//- elements
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static #xVal; static #yVal
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//- privateinspectionfunctions
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static #x(value) {
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this.#xVal = value;
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return this.#xVal;
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}
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static #y(value) {
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this.#yVal = value;
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return this.#yVal;
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}
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static x() {
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return this.#x(42);
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}
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static y() {
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return this.#y(43);
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}
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//- assertions
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// Test the private methods do not appear as properties before set to value
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assert.sameValue(Object.hasOwnProperty.call(C.prototype, "#x"), false, "test 1");
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assert.sameValue(Object.hasOwnProperty.call(C, "#x"), false, "test 2");
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assert.sameValue(Object.hasOwnProperty.call(c, "#x"), false, "test 3");
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assert.sameValue(Object.hasOwnProperty.call(C.prototype, "#y"), false, "test 4");
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assert.sameValue(Object.hasOwnProperty.call(C, "#y"), false, "test 5");
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assert.sameValue(Object.hasOwnProperty.call(c, "#y"), false, "test 6");
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assert.sameValue(Object.hasOwnProperty.call(C.prototype, "#xVal"), false, "test 7");
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assert.sameValue(Object.hasOwnProperty.call(C, "#xVal"), false, "test 8");
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assert.sameValue(Object.hasOwnProperty.call(c, "#xVal"), false, "test 9");
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assert.sameValue(Object.hasOwnProperty.call(C.prototype, "#yVal"), false, "test 10");
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assert.sameValue(Object.hasOwnProperty.call(C, "#yVal"), false, "test 11");
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assert.sameValue(Object.hasOwnProperty.call(c, "#yVal"), false, "test 12");
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// Test if private fields can be sucessfully accessed and set to value
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assert.sameValue(C.x(), 42, "test 13");
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assert.sameValue(C.y(), 43, "test 14");
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// Test the private fields do not appear as properties before after set to value
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assert.sameValue(Object.hasOwnProperty.call(C, "#x"), false, "test 15");
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assert.sameValue(Object.hasOwnProperty.call(C, "#y"), false, "test 16");
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assert.sameValue(Object.hasOwnProperty.call(C, "#xVal"), false, "test 17");
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assert.sameValue(Object.hasOwnProperty.call(C, "#yVal"), false, "test 18");
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