239 lines
6.6 KiB
C++
239 lines
6.6 KiB
C++
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// Copyright The OpenTelemetry Authors
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// SPDX-License-Identifier: Apache-2.0
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#include <gtest/gtest.h>
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#include <stddef.h>
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#include <string>
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#include <utility>
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#include <vector>
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#include <opentelemetry/common/kv_properties.h>
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#include "opentelemetry/nostd/function_ref.h"
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#include "opentelemetry/nostd/string_view.h"
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// ------------------------- Entry class tests ---------------------------------
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using namespace opentelemetry;
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using opentelemetry::common::KeyValueProperties;
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// Test constructor that takes a key-value pair
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TEST(EntryTest, KeyValueConstruction)
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{
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opentelemetry::nostd::string_view key = "test_key";
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opentelemetry::nostd::string_view val = "test_value";
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KeyValueProperties::Entry e(key, val);
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EXPECT_EQ(key.size(), e.GetKey().size());
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EXPECT_EQ(key, e.GetKey());
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EXPECT_EQ(val.size(), e.GetValue().size());
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EXPECT_EQ(val, e.GetValue());
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}
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// Test copy constructor
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TEST(EntryTest, Copy)
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{
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KeyValueProperties::Entry e("test_key", "test_value");
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const KeyValueProperties::Entry ©(e);
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EXPECT_EQ(copy.GetKey(), e.GetKey());
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EXPECT_EQ(copy.GetValue(), e.GetValue());
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}
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// Test assignment operator
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TEST(EntryTest, Assignment)
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{
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KeyValueProperties::Entry e("test_key", "test_value");
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KeyValueProperties::Entry empty;
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empty = e;
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EXPECT_EQ(empty.GetKey(), e.GetKey());
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EXPECT_EQ(empty.GetValue(), e.GetValue());
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}
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TEST(EntryTest, SetValue)
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{
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KeyValueProperties::Entry e("test_key", "test_value");
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opentelemetry::nostd::string_view new_val = "new_value";
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e.SetValue(new_val);
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EXPECT_EQ(new_val.size(), e.GetValue().size());
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EXPECT_EQ(new_val, e.GetValue());
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}
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// ------------------------- KeyValueStringTokenizer tests ---------------------------------
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using opentelemetry::common::KeyValueStringTokenizer;
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using opentelemetry::common::KeyValueStringTokenizerOptions;
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TEST(KVStringTokenizer, SinglePair)
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{
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bool valid_kv;
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nostd::string_view key, value;
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opentelemetry::nostd::string_view str = "k1=v1";
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KeyValueStringTokenizerOptions opts;
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KeyValueStringTokenizer tk(str, opts);
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_TRUE(valid_kv);
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EXPECT_EQ(key, "k1");
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EXPECT_EQ(value, "v1");
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EXPECT_FALSE(tk.next(valid_kv, key, value));
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}
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TEST(KVStringTokenizer, AcceptEmptyEntries)
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{
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bool valid_kv;
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nostd::string_view key, value;
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opentelemetry::nostd::string_view str = ":k1=v1::k2=v2: ";
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KeyValueStringTokenizerOptions opts;
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opts.member_separator = ':';
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opts.ignore_empty_members = false;
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KeyValueStringTokenizer tk(str, opts);
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EXPECT_TRUE(tk.next(valid_kv, key, value)); // empty pair
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_TRUE(valid_kv);
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EXPECT_EQ(key, "k1");
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EXPECT_EQ(value, "v1");
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EXPECT_TRUE(tk.next(valid_kv, key, value)); // empty pair
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EXPECT_EQ(key, "");
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EXPECT_EQ(value, "");
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_TRUE(tk.next(valid_kv, key, value)); // empty pair
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EXPECT_FALSE(tk.next(valid_kv, key, value));
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}
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TEST(KVStringTokenizer, ValidPairsWithEmptyEntries)
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{
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opentelemetry::nostd::string_view str = "k1:v1===k2:v2==";
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bool valid_kv;
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nostd::string_view key, value;
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KeyValueStringTokenizerOptions opts;
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opts.member_separator = '=';
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opts.key_value_separator = ':';
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KeyValueStringTokenizer tk(str, opts);
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_TRUE(valid_kv);
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EXPECT_EQ(key, "k1");
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EXPECT_EQ(value, "v1");
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_TRUE(valid_kv);
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EXPECT_EQ(key, "k2");
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EXPECT_EQ(value, "v2");
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EXPECT_FALSE(tk.next(valid_kv, key, value));
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}
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TEST(KVStringTokenizer, InvalidPairs)
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{
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opentelemetry::nostd::string_view str = "k1=v1,invalid ,, k2=v2 ,invalid";
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KeyValueStringTokenizer tk(str);
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bool valid_kv;
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nostd::string_view key, value;
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_TRUE(valid_kv);
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EXPECT_EQ(key, "k1");
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EXPECT_EQ(value, "v1");
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_FALSE(valid_kv);
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_TRUE(valid_kv);
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EXPECT_EQ(key, "k2");
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EXPECT_EQ(value, "v2");
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EXPECT_TRUE(tk.next(valid_kv, key, value));
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EXPECT_FALSE(valid_kv);
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EXPECT_FALSE(tk.next(valid_kv, key, value));
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}
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TEST(KVStringTokenizer, NumTokens)
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{
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struct
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{
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const char *input;
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size_t expected;
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} testcases[] = {{"k1=v1", 1},
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{" ", 1},
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{"k1=v1,k2=v2,k3=v3", 3},
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{"k1=v1,", 1},
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{"k1=v1,k2=v2,invalidmember", 3},
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{"", 0}};
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for (auto &testcase : testcases)
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{
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KeyValueStringTokenizer tk(testcase.input);
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EXPECT_EQ(tk.NumTokens(), testcase.expected);
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}
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}
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//------------------------- KeyValueProperties tests ---------------------------------
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TEST(KeyValueProperties, PopulateKVIterableContainer)
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{
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std::vector<std::pair<std::string, std::string>> kv_pairs = {{"k1", "v1"}, {"k2", "v2"}};
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auto kv_properties = KeyValueProperties(kv_pairs);
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EXPECT_EQ(kv_properties.Size(), 2);
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std::string value;
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bool present = kv_properties.GetValue("k1", value);
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EXPECT_TRUE(present);
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EXPECT_EQ(value, "v1");
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present = kv_properties.GetValue("k2", value);
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EXPECT_TRUE(present);
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EXPECT_EQ(value, "v2");
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}
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TEST(KeyValueProperties, AddEntry)
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{
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auto kv_properties = KeyValueProperties(1);
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kv_properties.AddEntry("k1", "v1");
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std::string value;
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bool present = kv_properties.GetValue("k1", value);
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EXPECT_TRUE(present);
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EXPECT_EQ(value, "v1");
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kv_properties.AddEntry("k2", "v2"); // entry will not be added as max size reached.
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EXPECT_EQ(kv_properties.Size(), 1);
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present = kv_properties.GetValue("k2", value);
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EXPECT_FALSE(present);
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}
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TEST(KeyValueProperties, GetValue)
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{
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auto kv_properties = KeyValueProperties(1);
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kv_properties.AddEntry("k1", "v1");
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std::string value;
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bool present = kv_properties.GetValue("k1", value);
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EXPECT_TRUE(present);
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EXPECT_EQ(value, "v1");
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present = kv_properties.GetValue("k3", value);
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EXPECT_FALSE(present);
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}
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TEST(KeyValueProperties, GetAllEntries)
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{
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std::vector<std::pair<std::string, std::string>> kv_pairs = {
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{"k1", "v1"}, {"k2", "v2"}, {"k3", "v3"}};
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const size_t kNumPairs = 3;
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opentelemetry::nostd::string_view keys[kNumPairs] = {"k1", "k2", "k3"};
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opentelemetry::nostd::string_view values[kNumPairs] = {"v1", "v2", "v3"};
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auto kv_properties = KeyValueProperties(kv_pairs);
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size_t index = 0;
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kv_properties.GetAllEntries(
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[&keys, &values, &index](nostd::string_view key, nostd::string_view value) {
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EXPECT_EQ(key, keys[index]);
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EXPECT_EQ(value, values[index]);
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index++;
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return true;
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});
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EXPECT_EQ(index, kNumPairs);
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}
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