1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
#include <vespa/vespalib/testkit/testapp.h>
#include <vespa/vespalib/util/gate.h>
using namespace vespalib;
TEST("testCountDownLatch") {
CountDownLatch latch(5);
EXPECT_EQUAL(latch.getCount(), 5u);
latch.countDown();
EXPECT_EQUAL(latch.getCount(), 4u);
latch.countDown();
EXPECT_EQUAL(latch.getCount(), 3u);
latch.countDown();
EXPECT_EQUAL(latch.getCount(), 2u);
latch.countDown();
EXPECT_EQUAL(latch.getCount(), 1u);
latch.countDown();
EXPECT_EQUAL(latch.getCount(), 0u);
latch.countDown();
EXPECT_EQUAL(latch.getCount(), 0u);
latch.await(); // should not block
latch.await(); // should not block
}
TEST("test gate dropping below zero") {
Gate gate;
EXPECT_EQUAL(gate.getCount(), 1u);
gate.countDown();
EXPECT_EQUAL(gate.getCount(), 0u);
gate.countDown();
EXPECT_EQUAL(gate.getCount(), 0u);
gate.await(); // should not block
gate.await(); // should not block
}
TEST("test gate non blocking await return correct states") {
Gate gate;
EXPECT_EQUAL(gate.getCount(), 1u);
EXPECT_EQUAL(gate.await(0ms), false);
EXPECT_EQUAL(gate.await(10ms), false);
gate.countDown();
EXPECT_EQUAL(gate.getCount(), 0u);
EXPECT_EQUAL(gate.await(0ms), true);
EXPECT_EQUAL(gate.await(10ms), true);
}
TEST_MAIN() { TEST_RUN_ALL(); }
|
