62 lines
1.7 KiB
JavaScript
62 lines
1.7 KiB
JavaScript
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'use strict';
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var errors = require('../../lib/errors');
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var $ = require('../../lib/util/preconditions');
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var PrivateKey = require('../../lib/privatekey');
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describe('preconditions', function() {
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it('can be used to assert state', function() {
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(function() {
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$.checkState(false, 'testing');
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}).should.throw(errors.InvalidState);
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});
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it('throws no false negative', function() {
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(function() {
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$.checkState(true, 'testing');
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}).should.not.throw();
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});
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it('can be used to check an argument', function() {
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(function() {
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$.checkArgument(false, 'testing');
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}).should.throw(errors.InvalidArgument);
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(function() {
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$.checkArgument(true, 'testing');
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}).should.not.throw(errors.InvalidArgument);
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});
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it('can be used to check an argument type', function() {
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var error;
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try {
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$.checkArgumentType(1, 'string', 'argumentName');
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} catch (e) {
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error = e;
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e.message.should.equal('Invalid Argument for argumentName, expected string but got number');
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}
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error.should.exist();
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});
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it('has no false negatives when used to check an argument type', function() {
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(function() {
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$.checkArgumentType('a String', 'string', 'argumentName');
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}).should.not.throw();
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});
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it('can be used to check an argument type for a class', function() {
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var error;
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try {
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$.checkArgumentType(1, PrivateKey);
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} catch (e) {
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error = e;
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e.message.should.equal('Invalid Argument for (unknown name), expected PrivateKey but got number');
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}
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error.should.exist();
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});
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it('has no false negatives when checking a type for a class', function() {
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(function() {
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$.checkArgumentType(new PrivateKey(), PrivateKey);
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}).should.not.throw();
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});
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});
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