File: find_by_first_test.cc

package info (click to toggle)
chromium 139.0.7258.127-1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 6,122,068 kB
  • sloc: cpp: 35,100,771; ansic: 7,163,530; javascript: 4,103,002; python: 1,436,920; asm: 946,517; xml: 746,709; pascal: 187,653; perl: 88,691; sh: 88,436; objc: 79,953; sql: 51,488; cs: 44,583; fortran: 24,137; makefile: 22,147; tcl: 15,277; php: 13,980; yacc: 8,984; ruby: 7,485; awk: 3,720; lisp: 3,096; lex: 1,327; ada: 727; jsp: 228; sed: 36
file content (76 lines) | stat: -rw-r--r-- 2,514 bytes parent folder | download | duplicates (14)
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
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <string>

#include "find_by_first.h"
#include "test_platform.h"

namespace v8_crdtp {
// =============================================================================
// FindByFirst - Efficient retrieval from a sorted vector.
// =============================================================================
TEST(FindByFirst, SpanBySpan) {
  std::vector<std::pair<span<uint8_t>, span<uint8_t>>> sorted_span_by_span = {
      {SpanFrom("foo1"), SpanFrom("bar1")},
      {SpanFrom("foo2"), SpanFrom("bar2")},
      {SpanFrom("foo3"), SpanFrom("bar3")},
  };
  {
    auto result = FindByFirst(sorted_span_by_span, SpanFrom("foo1"),
                              SpanFrom("not_found"));
    EXPECT_EQ("bar1", std::string(result.begin(), result.end()));
  }
  {
    auto result = FindByFirst(sorted_span_by_span, SpanFrom("foo3"),
                              SpanFrom("not_found"));
    EXPECT_EQ("bar3", std::string(result.begin(), result.end()));
  }
  {
    auto result = FindByFirst(sorted_span_by_span, SpanFrom("baz"),
                              SpanFrom("not_found"));
    EXPECT_EQ("not_found", std::string(result.begin(), result.end()));
  }
}

namespace {
class TestObject {
 public:
  explicit TestObject(const std::string& message) : message_(message) {}

  const std::string& message() const { return message_; }

 private:
  std::string message_;
};
}  // namespace

TEST(FindByFirst, ObjectBySpan) {
  std::vector<std::pair<span<uint8_t>, std::unique_ptr<TestObject>>>
      sorted_object_by_span;
  sorted_object_by_span.push_back(
      std::make_pair(SpanFrom("foo1"), std::make_unique<TestObject>("bar1")));
  sorted_object_by_span.push_back(
      std::make_pair(SpanFrom("foo2"), std::make_unique<TestObject>("bar2")));
  sorted_object_by_span.push_back(
      std::make_pair(SpanFrom("foo3"), std::make_unique<TestObject>("bar3")));
  {
    TestObject* result =
        FindByFirst<TestObject>(sorted_object_by_span, SpanFrom("foo1"));
    ASSERT_TRUE(result);
    ASSERT_EQ("bar1", result->message());
  }
  {
    TestObject* result =
        FindByFirst<TestObject>(sorted_object_by_span, SpanFrom("foo3"));
    ASSERT_TRUE(result);
    ASSERT_EQ("bar3", result->message());
  }
  {
    TestObject* result =
        FindByFirst<TestObject>(sorted_object_by_span, SpanFrom("baz"));
    ASSERT_FALSE(result);
  }
}
}  // namespace v8_crdtp