1 #include "human_sort.hpp"
2
3 #include <set>
4 #include <string>
5
6 #include <gmock/gmock.h>
7 #include <gtest/gtest.h>
8
9 namespace
10 {
11
12 using ::testing::ElementsAreArray;
13
TEST(AlphaNum,NumberTests)14 TEST(AlphaNum, NumberTests)
15 {
16 // testcases for the algorithm
17 EXPECT_EQ(alphanumComp("", ""), 0);
18 EXPECT_LT(alphanumComp("", "a"), 0);
19 EXPECT_GT(alphanumComp("a", ""), 0);
20 EXPECT_EQ(alphanumComp("a", "a"), 0);
21 EXPECT_LT(alphanumComp("", "9"), 0);
22 EXPECT_GT(alphanumComp("9", ""), 0);
23 EXPECT_EQ(alphanumComp("1", "1"), 0);
24 EXPECT_LT(alphanumComp("1", "2"), 0);
25 EXPECT_GT(alphanumComp("3", "2"), 0);
26 EXPECT_EQ(alphanumComp("a1", "a1"), 0);
27 EXPECT_LT(alphanumComp("a1", "a2"), 0);
28 EXPECT_GT(alphanumComp("a2", "a1"), 0);
29 EXPECT_LT(alphanumComp("a1a2", "a1a3"), 0);
30 EXPECT_GT(alphanumComp("a1a2", "a1a0"), 0);
31 EXPECT_GT(alphanumComp("134", "122"), 0);
32 EXPECT_EQ(alphanumComp("12a3", "12a3"), 0);
33 EXPECT_GT(alphanumComp("12a1", "12a0"), 0);
34 EXPECT_LT(alphanumComp("12a1", "12a2"), 0);
35 EXPECT_LT(alphanumComp("a", "aa"), 0);
36 EXPECT_GT(alphanumComp("aaa", "aa"), 0);
37 EXPECT_EQ(alphanumComp("Alpha 2", "Alpha 2"), 0);
38 EXPECT_LT(alphanumComp("Alpha 2", "Alpha 2A"), 0);
39 EXPECT_GT(alphanumComp("Alpha 2 B", "Alpha 2"), 0);
40
41 std::string str("Alpha 2");
42 EXPECT_EQ(alphanumComp(str, "Alpha 2"), 0);
43 EXPECT_LT(alphanumComp(str, "Alpha 2A"), 0);
44 EXPECT_GT(alphanumComp("Alpha 2 B", str), 0);
45 }
46
TEST(AlphaNum,LessTest)47 TEST(AlphaNum, LessTest)
48 {
49 std::set<std::string, AlphanumLess<std::string>> sorted{
50 "Alpha 10", "Alpha 2"};
51 EXPECT_THAT(sorted, ElementsAreArray({"Alpha 2", "Alpha 10"}));
52 }
53 } // namespace
54