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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
*/
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "js/SliceBudget.h"
#include "jsapi-tests/tests.h"
using namespace js;
BEGIN_TEST(testSliceBudgetUnlimited) {
SliceBudget budget = SliceBudget::unlimited();
CHECK(budget.isUnlimited());
CHECK(!budget.isTimeBudget());
CHECK(!budget.isWorkBudget());
CHECK(!budget.isOverBudget());
budget.step(1000000);
CHECK(!budget.isOverBudget());
return true;
}
END_TEST(testSliceBudgetUnlimited)
BEGIN_TEST(testSliceBudgetWork) {
SliceBudget budget = SliceBudget(WorkBudget(10000));
CHECK(!budget.isUnlimited());
CHECK(budget.isWorkBudget());
CHECK(!budget.isTimeBudget());
CHECK(budget.workBudget() == 10000);
CHECK(!budget.isOverBudget());
budget.step(5000);
CHECK(!budget.isOverBudget());
budget.step(5000);
CHECK(budget.isOverBudget());
return true;
}
END_TEST(testSliceBudgetWork)
BEGIN_TEST(testSliceBudgetTime) {
SliceBudget budget = SliceBudget(TimeBudget(10000));
CHECK(!budget.isUnlimited());
CHECK(!budget.isWorkBudget());
CHECK(budget.isTimeBudget());
CHECK(budget.timeBudget() == 10000);
CHECK(!budget.isOverBudget());
budget.step(5000);
budget.step(5000);
CHECK(!budget.isOverBudget());
// This doesn't test the deadline is correct as that would require waiting.
return true;
}
END_TEST(testSliceBudgetTime)
BEGIN_TEST(testSliceBudgetTimeZero) {
SliceBudget budget = SliceBudget(TimeBudget(0));
budget.step(1000);
CHECK(budget.isOverBudget());
return true;
}
END_TEST(testSliceBudgetTimeZero)
BEGIN_TEST(testSliceBudgetInterruptibleTime) {
mozilla::Atomic<bool> wantInterrupt(false);
// Interruptible 100 second budget. This test will finish in well under that
// time.
static constexpr int64_t LONG_TIME = 100000;
SliceBudget budget = SliceBudget(TimeBudget(LONG_TIME), &wantInterrupt);
CHECK(!budget.isUnlimited());
CHECK(!budget.isWorkBudget());
CHECK(budget.isTimeBudget());
CHECK(budget.timeBudget() == LONG_TIME);
CHECK(!budget.isOverBudget());
// We do a little work, very small amount of time passes.
budget.step(500);
// Not enough work to check interrupt, and no interrupt anyway.
CHECK(!budget.isOverBudget());
// External signal: interrupt requested.
wantInterrupt = true;
// Interrupt requested, but not enough work has been done to check for it.
CHECK(!budget.isOverBudget());
// Do enough work for an expensive check.
budget.step(1000);
// Interrupt requested! This will reset the external flag, but internally
// remember that an interrupt was requested.
CHECK(budget.isOverBudget());
CHECK(!wantInterrupt);
CHECK(budget.isOverBudget());
// This doesn't test the deadline is correct as that would require waiting.
return true;
}
END_TEST(testSliceBudgetInterruptibleTime)