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