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1 //===- CachePruningTest.cpp -----------------------------------------------===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9
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10 #include "llvm/Support/CachePruning.h"
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11 #include "llvm/Support/Error.h"
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12 #include "gtest/gtest.h"
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13
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14 using namespace llvm;
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15
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16 TEST(CachePruningPolicyParser, Empty) {
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17 auto P = parseCachePruningPolicy("");
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18 ASSERT_TRUE(bool(P));
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19 EXPECT_EQ(std::chrono::seconds(1200), P->Interval);
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20 EXPECT_EQ(std::chrono::hours(7 * 24), P->Expiration);
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21 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
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22 }
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23
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24 TEST(CachePruningPolicyParser, Interval) {
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25 auto P = parseCachePruningPolicy("prune_interval=1s");
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26 ASSERT_TRUE(bool(P));
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27 EXPECT_EQ(std::chrono::seconds(1), P->Interval);
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28 P = parseCachePruningPolicy("prune_interval=2m");
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29 ASSERT_TRUE(bool(P));
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30 EXPECT_EQ(std::chrono::minutes(2), *P->Interval);
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31 P = parseCachePruningPolicy("prune_interval=3h");
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32 ASSERT_TRUE(bool(P));
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33 EXPECT_EQ(std::chrono::hours(3), *P->Interval);
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121
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34 }
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35
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36 TEST(CachePruningPolicyParser, Expiration) {
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37 auto P = parseCachePruningPolicy("prune_after=1s");
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38 ASSERT_TRUE(bool(P));
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39 EXPECT_EQ(std::chrono::seconds(1), P->Expiration);
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40 }
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41
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42 TEST(CachePruningPolicyParser, MaxSizePercentageOfAvailableSpace) {
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43 auto P = parseCachePruningPolicy("cache_size=100%");
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44 ASSERT_TRUE(bool(P));
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45 EXPECT_EQ(100u, P->MaxSizePercentageOfAvailableSpace);
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46 EXPECT_EQ(0u, P->MaxSizeBytes);
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47 }
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48
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49 TEST(CachePruningPolicyParser, MaxSizeBytes) {
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50 auto P = parseCachePruningPolicy("cache_size_bytes=1");
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51 ASSERT_TRUE(bool(P));
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52 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
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53 EXPECT_EQ(1u, P->MaxSizeBytes);
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54 P = parseCachePruningPolicy("cache_size_bytes=2k");
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55 ASSERT_TRUE(bool(P));
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56 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
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57 EXPECT_EQ(2u * 1024u, P->MaxSizeBytes);
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58 P = parseCachePruningPolicy("cache_size_bytes=3m");
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59 ASSERT_TRUE(bool(P));
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60 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
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61 EXPECT_EQ(3u * 1024u * 1024u, P->MaxSizeBytes);
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62 P = parseCachePruningPolicy("cache_size_bytes=4G");
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63 ASSERT_TRUE(bool(P));
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64 EXPECT_EQ(75u, P->MaxSizePercentageOfAvailableSpace);
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65 EXPECT_EQ(4ull * 1024ull * 1024ull * 1024ull, P->MaxSizeBytes);
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66 }
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67
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68 TEST(CachePruningPolicyParser, Multiple) {
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69 auto P = parseCachePruningPolicy("prune_after=1s:cache_size=50%");
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70 ASSERT_TRUE(bool(P));
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71 EXPECT_EQ(std::chrono::seconds(1200), P->Interval);
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72 EXPECT_EQ(std::chrono::seconds(1), P->Expiration);
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73 EXPECT_EQ(50u, P->MaxSizePercentageOfAvailableSpace);
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74 }
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75
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76 TEST(CachePruningPolicyParser, Errors) {
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77 EXPECT_EQ("Duration must not be empty",
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78 toString(parseCachePruningPolicy("prune_interval=").takeError()));
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79 EXPECT_EQ("'foo' not an integer",
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80 toString(parseCachePruningPolicy("prune_interval=foos").takeError()));
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81 EXPECT_EQ("'24x' must end with one of 's', 'm' or 'h'",
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82 toString(parseCachePruningPolicy("prune_interval=24x").takeError()));
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83 EXPECT_EQ("'foo' must be a percentage",
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84 toString(parseCachePruningPolicy("cache_size=foo").takeError()));
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85 EXPECT_EQ("'foo' not an integer",
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86 toString(parseCachePruningPolicy("cache_size=foo%").takeError()));
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87 EXPECT_EQ("'101' must be between 0 and 100",
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88 toString(parseCachePruningPolicy("cache_size=101%").takeError()));
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89 EXPECT_EQ(
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90 "'foo' not an integer",
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91 toString(parseCachePruningPolicy("cache_size_bytes=foo").takeError()));
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92 EXPECT_EQ(
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93 "'foo' not an integer",
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94 toString(parseCachePruningPolicy("cache_size_bytes=foom").takeError()));
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95 EXPECT_EQ("Unknown key: 'foo'",
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96 toString(parseCachePruningPolicy("foo=bar").takeError()));
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97 }
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