1#include "common/frequency.h"
 2#include "common/textModifier.h"
 3#include "fastfetch.h"
 4
 5#include <stdint.h>
 6#include <stdio.h>
 7#include <stdlib.h>
 8
 9static void verify(uint32_t mhz, bool expectedResult, const char* expected, int lineNo) {
10    FF_STRBUF_AUTO_DESTROY result = ffStrbufCreate();
11    const bool returned = ffFreqAppendNum(mhz, &result);
12
13    if (returned != expectedResult || !ffStrbufEqualS(&result, expected)) {
14        fprintf(stderr, FASTFETCH_TEXT_MODIFIER_ERROR "[%d] ffFreqAppendNum(%u): expected %s \"%s\", got %s \"%s\"\n" FASTFETCH_TEXT_MODIFIER_RESET,
15            lineNo, mhz, expectedResult ? "true" : "false", expected, returned ? "true" : "false", result.chars);
16        exit(1);
17    }
18}
19
20#define VERIFY_FREQ(mhz, expectedResult, expected) verify((mhz), (expectedResult), (expected), __LINE__)
21
22int main(void) {
23    // Use the real defaults rather than a hand built config, so a changed default is caught here too
24    ffOptionsInitDisplay(&instance.config.display);
25    FFOptionsDisplay* options = &instance.config.display;
26
27    // An unknown frequency prints nothing at all
28    {
29        VERIFY_FREQ(0, false, "");
30    }
31
32    // With `freqNdigits >= 0` the value is printed in GHz, with that many digits after the point
33    {
34        VERIFY_FREQ(1000, true, "1.00 GHz");
35        VERIFY_FREQ(3600, true, "3.60 GHz");
36        VERIFY_FREQ(5000, true, "5.00 GHz");
37        VERIFY_FREQ(100, true, "0.10 GHz");
38        VERIFY_FREQ(1, true, "0.00 GHz"); // rounds down to zero, but is still reported
39        VERIFY_FREQ(4294000, true, "4294.00 GHz"); // the whole `uint32_t` range is usable
40    }
41
42    // `freqNdigits = 0` rounds to whole GHz
43    {
44        options->freqNdigits = 0;
45        VERIFY_FREQ(1000, true, "1 GHz");
46        VERIFY_FREQ(3600, true, "4 GHz"); // rounded, not truncated
47        VERIFY_FREQ(1400, true, "1 GHz");
48        VERIFY_FREQ(0, false, "");
49        options->freqNdigits = 2;
50    }
51
52    // A negative `freqNdigits` selects the integer MHz form instead
53    {
54        options->freqNdigits = -1;
55        VERIFY_FREQ(3600, true, "3600 MHz");
56        VERIFY_FREQ(1000, true, "1000 MHz");
57        VERIFY_FREQ(1, true, "1 MHz");
58        VERIFY_FREQ(0, false, "");
59        options->freqNdigits = 2;
60    }
61
62    // Only `never` removes the space between the number and the unit
63    {
64        options->freqSpaceBeforeUnit = FF_SPACE_BEFORE_UNIT_NEVER;
65        VERIFY_FREQ(3600, true, "3.60GHz");
66        options->freqNdigits = -1;
67        VERIFY_FREQ(3600, true, "3600MHz");
68        options->freqNdigits = 2;
69
70        options->freqSpaceBeforeUnit = FF_SPACE_BEFORE_UNIT_ALWAYS;
71        VERIFY_FREQ(3600, true, "3.60 GHz");
72
73        options->freqSpaceBeforeUnit = FF_SPACE_BEFORE_UNIT_DEFAULT;
74        VERIFY_FREQ(3600, true, "3.60 GHz");
75    }
76
77    // The result is appended to the buffer instead of replacing it
78    {
79        FF_STRBUF_AUTO_DESTROY result = ffStrbufCreateS("CPU: ");
80        if (!ffFreqAppendNum(3600, &result) || !ffStrbufEqualS(&result, "CPU: 3.60 GHz")) {
81            fprintf(stderr, FASTFETCH_TEXT_MODIFIER_ERROR "[%d] ffFreqAppendNum did not append: got \"%s\"\n" FASTFETCH_TEXT_MODIFIER_RESET, __LINE__, result.chars);
82            exit(1);
83        }
84    }
85
86    ffOptionsDestroyDisplay(options);
87
88    puts("\033[32mAll tests passed!" FASTFETCH_TEXT_MODIFIER_RESET);
89    return 0;
90}