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 
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 
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