llvm/unittests/Support/CachePruningTest.cpp
Peter Collingbourne 2995c258a5 Support: Add a cache pruning policy parser.
The idea is that the policy string fully specifies the policy and is portable
between clients.

Differential Revision: https://reviews.llvm.org/D31020

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@297927 91177308-0d34-0410-b5e6-96231b3b80d8
2017-03-16 03:42:00 +00:00

72 lines
2.7 KiB
C++

//===- CachePruningTest.cpp -----------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "llvm/Support/CachePruning.h"
#include "llvm/Support/Error.h"
#include "gtest/gtest.h"
using namespace llvm;
TEST(CachePruningPolicyParser, Empty) {
auto P = parseCachePruningPolicy("");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::seconds(1200), P->Interval);
EXPECT_EQ(std::chrono::hours(7 * 24), P->Expiration);
EXPECT_EQ(75u, P->PercentageOfAvailableSpace);
}
TEST(CachePruningPolicyParser, Interval) {
auto P = parseCachePruningPolicy("prune_interval=1s");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::seconds(1), P->Interval);
P = parseCachePruningPolicy("prune_interval=2m");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::minutes(2), P->Interval);
P = parseCachePruningPolicy("prune_interval=3h");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::hours(3), P->Interval);
}
TEST(CachePruningPolicyParser, Expiration) {
auto P = parseCachePruningPolicy("prune_after=1s");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::seconds(1), P->Expiration);
}
TEST(CachePruningPolicyParser, PercentageOfAvailableSpace) {
auto P = parseCachePruningPolicy("cache_size=100%");
ASSERT_TRUE(bool(P));
EXPECT_EQ(100u, P->PercentageOfAvailableSpace);
}
TEST(CachePruningPolicyParser, Multiple) {
auto P = parseCachePruningPolicy("prune_after=1s:cache_size=50%");
ASSERT_TRUE(bool(P));
EXPECT_EQ(std::chrono::seconds(1200), P->Interval);
EXPECT_EQ(std::chrono::seconds(1), P->Expiration);
EXPECT_EQ(50u, P->PercentageOfAvailableSpace);
}
TEST(CachePruningPolicyParser, Errors) {
EXPECT_EQ("Duration must not be empty",
toString(parseCachePruningPolicy("prune_interval=").takeError()));
EXPECT_EQ("'foo' not an integer",
toString(parseCachePruningPolicy("prune_interval=foos").takeError()));
EXPECT_EQ("'24x' must end with one of 's', 'm' or 'h'",
toString(parseCachePruningPolicy("prune_interval=24x").takeError()));
EXPECT_EQ("'foo' must be a percentage",
toString(parseCachePruningPolicy("cache_size=foo").takeError()));
EXPECT_EQ("'foo' not an integer",
toString(parseCachePruningPolicy("cache_size=foo%").takeError()));
EXPECT_EQ("'101' must be between 0 and 100",
toString(parseCachePruningPolicy("cache_size=101%").takeError()));
EXPECT_EQ("Unknown key: 'foo'",
toString(parseCachePruningPolicy("foo=bar").takeError()));
}