58 lines
1.5 KiB
JavaScript
58 lines
1.5 KiB
JavaScript
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/**
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* @fileoverview Tests for checks.js.
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*/
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goog.module('protobuf.internal.checksTest');
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const {CHECK_TYPE, checkDefAndNotNull, checkFunctionExists} = goog.require('protobuf.internal.checks');
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describe('checkDefAndNotNull', () => {
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it('throws if undefined', () => {
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let value;
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if (CHECK_TYPE) {
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expect(() => checkDefAndNotNull(value)).toThrow();
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} else {
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expect(checkDefAndNotNull(value)).toBeUndefined();
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}
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});
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it('throws if null', () => {
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const value = null;
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if (CHECK_TYPE) {
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expect(() => checkDefAndNotNull(value)).toThrow();
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} else {
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expect(checkDefAndNotNull(value)).toBeNull();
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}
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});
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it('does not throw if empty string', () => {
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const value = '';
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expect(checkDefAndNotNull(value)).toEqual('');
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});
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});
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describe('checkFunctionExists', () => {
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it('throws if the function is undefined', () => {
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let foo = /** @type {function()} */ (/** @type {*} */ (undefined));
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if (CHECK_TYPE) {
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expect(() => checkFunctionExists(foo)).toThrow();
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} else {
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checkFunctionExists(foo);
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}
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});
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it('throws if the property is defined but not a function', () => {
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let foo = /** @type {function()} */ (/** @type {*} */ (1));
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if (CHECK_TYPE) {
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expect(() => checkFunctionExists(foo)).toThrow();
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} else {
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checkFunctionExists(foo);
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}
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});
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it('does not throw if the function is defined', () => {
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function foo(x) {
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return x;
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}
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checkFunctionExists(foo);
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});
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});
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