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timer-tests.ts
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import * as TKUnit from "../TKUnit";
import * as timer from "tns-core-modules/timer";
// >> timer-require
// require("globals");
//// OR
// var timer = require("timer");
// << timer-require
export function test_setTimeout_isDefined() {
TKUnit.assertNotEqual(timer.setTimeout, undefined, "Method timer.setTimeout() should be defined!");
};
export function test_clearTimeout_isDefined() {
TKUnit.assertNotEqual(timer.clearTimeout, undefined, "Method timer.clearTimeout() should be defined!");
};
export function test_setInsDefined() {
TKUnit.assertNotEqual(timer.setInterval, undefined, "Method timer.setInterval() should be defined!");
};
export function test_clear_isDefined() {
TKUnit.assertNotEqual(timer.clearInterval, undefined, "Method timer.clearInterval() should be defined!");
};
export function test_setTimeout() {
let completed: boolean;
// >> timer-set-zero
const id = timer.setTimeout(() => {
// >> (hide)
completed = true;
// << (hide)
});
// << timer-set-zero
TKUnit.waitUntilReady(() => completed, 0.5, false);
timer.clearTimeout(id);
TKUnit.assert(completed, "Callback should be called!");
};
export function test_setTimeout_extraArgs() {
let completed: boolean;
let rnd: number = Math.random();
// >> timer-set-zero-args
const id = timer.setTimeout((arg) => {
// >> (hide)
completed = rnd === arg;
// << (hide)
}, 0, rnd);
// << timer-set-zero-args
TKUnit.waitUntilReady(() => completed, 0.5, false);
timer.clearTimeout(id);
TKUnit.assert(completed, "Callback called with expected argument!");
};
export function test_setTimeout_callbackCalledAfterSpecifiedTime() {
let completed = false;
// >> timer-set-ten
const id = timer.setTimeout(() => {
// >> (hide)
completed = true;
// << (hide)
}, 10);
// << timer-set-ten
TKUnit.waitUntilReady(() => completed, 1);
timer.clearTimeout(id);
TKUnit.assert(completed, "Callback should be called after the specified time!");
};
export function test_setTimeout_callbackNotCalled() {
let completed = false;
const id = timer.setTimeout(() => completed = true, 10);
timer.clearTimeout(id);
TKUnit.wait(30 / 1000);
TKUnit.assert(!completed, "Callback should not be called after the specified time!");
};
export function test_setTimeout_shouldReturnNumber() {
let id = timer.setTimeout(() => {
//
});
timer.clearTimeout(id);
TKUnit.assertTrue(typeof id === "number", "Callback should return number!");
};
export function test_setTimeout_callbackShouldBeCleared() {
let completed = false;
// >> timer-set-fifty
const id = timer.setTimeout(() => {
// >> (hide)
completed = true;
// << (hide)
}, 50);
//// Clear timeout with specified id.
timer.clearTimeout(id);
// << timer-set-fifty
TKUnit.wait(0.060);
timer.clearTimeout(id);
TKUnit.assert(!completed, "Callback should be cleared when clearTimeout() is executed for specified id!");
};
export function test_setInterval_callbackCalledDuringPeriod(done) {
let counter = 0;
const expected = 4;
const timeLimit = 300;
const start = TKUnit.time();
// >> timer-set-expression
const id = timer.setInterval(() => {
// >> (hide)
counter++;
if (counter === expected) {
const end = TKUnit.time();
timer.clearInterval(id);
const time = end - start;
done(time > timeLimit ? new Error(`setInterval too slow. Actual time: ${time} timelimit: ${timeLimit}`) : null);
}
// << (hide)
}, 50);
// << timer-set-expression
};
export function test_setInterval_callbackCalledWithExtraArgs(done) {
let counter: number = 0;
const expected: number = 4;
const rnd: number = Math.random();
const start = TKUnit.time();
const id = timer.setInterval((arg) => {
counter += arg === rnd ? 1 : -1;
if (counter === 4) {
const end = TKUnit.time();
timer.clearInterval(id);
done(end - start > 250 ? new Error('setInterval too slow.') : null);
}
}, 50, rnd);
};
export function test_setInterval_callbackShouldBeCleared(done) {
let counter = 0;
const start = TKUnit.time();
// >> timer-set-interval
const id = timer.setInterval(() => {
// >> (hide)
const end = TKUnit.time();
timer.clearInterval(id);
done(end - start > 150 ? new Error('setInterval too slow.') : null);
// << (hide)
timer.clearInterval(id);
}, 50);
// << timer-set-interval
};
export function test_clearTimeout_multipleTimes_afterTick() {
let completed = false;
const id = timer.setTimeout(() => {
completed = true;
});
TKUnit.waitUntilReady(() => completed, 0.5);
TKUnit.assert(completed, "Callback should be called");
timer.clearTimeout(id);
timer.clearTimeout(id);
}
export function test_clearTimeout_immediatelyAfterCreate() {
let completed = false;
const id = timer.setTimeout(() => {
completed = true;
});
timer.clearTimeout(id);
TKUnit.wait(0.02);
TKUnit.assert(!completed, "Callback should not be called");
}
export function test_clearInterval_immediatelyAfterCreate() {
let completed = false;
const id = timer.setInterval(() => {
completed = true;
});
timer.clearInterval(id);
TKUnit.wait(0.05);
TKUnit.assert(!completed, "Callback should not be called");
}
export function test_clearTimeout_insideCallback() {
let completed = false;
let id = timer.setTimeout(() => {
completed = true;
timer.clearTimeout(id);
});
TKUnit.waitUntilReady(() => completed, 0.5);
TKUnit.assert(completed, "Callback should be called");
}