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'use strict';
require('../common');
const assert = require('assert');
const readline = require('readline');
const Stream = require('stream');
const stream = new Stream();
let expectedRawMode = true;
let rawModeCalled = false;
let resumeCalled = false;
let pauseCalled = false;
stream.setRawMode = function(mode) {
rawModeCalled = true;
assert.equal(mode, expectedRawMode);
};
stream.resume = function() {
resumeCalled = true;
};
stream.pause = function() {
pauseCalled = true;
};
// when the "readline" starts in "terminal" mode,
// then setRawMode(true) should be called
const rli = readline.createInterface({
input: stream,
output: stream,
terminal: true
});
assert(rli.terminal);
assert(rawModeCalled);
assert(resumeCalled);
assert(!pauseCalled);
// pause() should call *not* call setRawMode()
rawModeCalled = false;
resumeCalled = false;
pauseCalled = false;
rli.pause();
assert(!rawModeCalled);
assert(!resumeCalled);
assert(pauseCalled);
// resume() should *not* call setRawMode()
rawModeCalled = false;
resumeCalled = false;
pauseCalled = false;
rli.resume();
assert(!rawModeCalled);
assert(resumeCalled);
assert(!pauseCalled);
// close() should call setRawMode(false)
expectedRawMode = false;
rawModeCalled = false;
resumeCalled = false;
pauseCalled = false;
rli.close();
assert(rawModeCalled);
assert(!resumeCalled);
assert(pauseCalled);
assert.deepStrictEqual(stream.listeners('keypress'), []);
// one data listener for the keypress events.
assert.equal(stream.listeners('data').length, 1);
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