root / tests / test-bitops.c @ 164a101f
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1 | 3464700f | Peter Maydell | /*
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2 | 3464700f | Peter Maydell | * Test bitops routines
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3 | 3464700f | Peter Maydell | *
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4 | 3464700f | Peter Maydell | * This work is licensed under the terms of the GNU LGPL, version 2 or later.
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5 | 3464700f | Peter Maydell | * See the COPYING.LIB file in the top-level directory.
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6 | 3464700f | Peter Maydell | *
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7 | 3464700f | Peter Maydell | */
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8 | 3464700f | Peter Maydell | |
9 | 3464700f | Peter Maydell | #include <glib.h> |
10 | 3464700f | Peter Maydell | #include <stdint.h> |
11 | 3464700f | Peter Maydell | #include "qemu/bitops.h" |
12 | 3464700f | Peter Maydell | |
13 | 3464700f | Peter Maydell | typedef struct { |
14 | 3464700f | Peter Maydell | uint32_t value; |
15 | 3464700f | Peter Maydell | int start;
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16 | 3464700f | Peter Maydell | int length;
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17 | 3464700f | Peter Maydell | int32_t result; |
18 | 3464700f | Peter Maydell | } S32Test; |
19 | 3464700f | Peter Maydell | |
20 | 3464700f | Peter Maydell | typedef struct { |
21 | 3464700f | Peter Maydell | uint64_t value; |
22 | 3464700f | Peter Maydell | int start;
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23 | 3464700f | Peter Maydell | int length;
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24 | 3464700f | Peter Maydell | int64_t result; |
25 | 3464700f | Peter Maydell | } S64Test; |
26 | 3464700f | Peter Maydell | |
27 | 3464700f | Peter Maydell | static const S32Test test_s32_data[] = { |
28 | 3464700f | Peter Maydell | { 0x38463983, 4, 4, -8 }, |
29 | 3464700f | Peter Maydell | { 0x38463983, 12, 8, 0x63 }, |
30 | 3464700f | Peter Maydell | { 0x38463983, 0, 32, 0x38463983 }, |
31 | 3464700f | Peter Maydell | }; |
32 | 3464700f | Peter Maydell | |
33 | 3464700f | Peter Maydell | static const S64Test test_s64_data[] = { |
34 | 3464700f | Peter Maydell | { 0x8459826734967223, 60, 4, -8 }, |
35 | 3464700f | Peter Maydell | { 0x8459826734967223, 0, 64, 0x8459826734967223 }, |
36 | 3464700f | Peter Maydell | }; |
37 | 3464700f | Peter Maydell | |
38 | 3464700f | Peter Maydell | static void test_sextract32(void) |
39 | 3464700f | Peter Maydell | { |
40 | 3464700f | Peter Maydell | int i;
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41 | 3464700f | Peter Maydell | |
42 | 3464700f | Peter Maydell | for (i = 0; i < ARRAY_SIZE(test_s32_data); i++) { |
43 | 3464700f | Peter Maydell | const S32Test *test = &test_s32_data[i];
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44 | 3464700f | Peter Maydell | int32_t r = sextract32(test->value, test->start, test->length); |
45 | 3464700f | Peter Maydell | |
46 | 3464700f | Peter Maydell | g_assert_cmpint(r, ==, test->result); |
47 | 3464700f | Peter Maydell | } |
48 | 3464700f | Peter Maydell | } |
49 | 3464700f | Peter Maydell | |
50 | 3464700f | Peter Maydell | static void test_sextract64(void) |
51 | 3464700f | Peter Maydell | { |
52 | 3464700f | Peter Maydell | int i;
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53 | 3464700f | Peter Maydell | |
54 | 3464700f | Peter Maydell | for (i = 0; i < ARRAY_SIZE(test_s32_data); i++) { |
55 | 3464700f | Peter Maydell | const S32Test *test = &test_s32_data[i];
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56 | 3464700f | Peter Maydell | int64_t r = sextract64(test->value, test->start, test->length); |
57 | 3464700f | Peter Maydell | |
58 | 3464700f | Peter Maydell | g_assert_cmpint(r, ==, test->result); |
59 | 3464700f | Peter Maydell | } |
60 | 3464700f | Peter Maydell | |
61 | 3464700f | Peter Maydell | for (i = 0; i < ARRAY_SIZE(test_s64_data); i++) { |
62 | 3464700f | Peter Maydell | const S64Test *test = &test_s64_data[i];
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63 | 3464700f | Peter Maydell | int64_t r = sextract64(test->value, test->start, test->length); |
64 | 3464700f | Peter Maydell | |
65 | 3464700f | Peter Maydell | g_assert_cmpint(r, ==, test->result); |
66 | 3464700f | Peter Maydell | } |
67 | 3464700f | Peter Maydell | } |
68 | 3464700f | Peter Maydell | |
69 | 3464700f | Peter Maydell | int main(int argc, char **argv) |
70 | 3464700f | Peter Maydell | { |
71 | 3464700f | Peter Maydell | g_test_init(&argc, &argv, NULL);
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72 | 3464700f | Peter Maydell | g_test_add_func("/bitops/sextract32", test_sextract32);
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73 | 3464700f | Peter Maydell | g_test_add_func("/bitops/sextract64", test_sextract64);
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74 | 3464700f | Peter Maydell | return g_test_run();
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75 | 3464700f | Peter Maydell | } |