Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 1 | /* Copyright (c) 2014 The Chromium OS Authors. All rights reserved. |
| 2 | * Use of this source code is governed by a BSD-style license that can be |
| 3 | * found in the LICENSE file. |
| 4 | * |
| 5 | * Tests for firmware 2common.c |
| 6 | */ |
| 7 | |
| 8 | #include "2sysincludes.h" |
| 9 | #include "2common.h" |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 10 | #include "test_common.h" |
| 11 | |
| 12 | /** |
Randall Spangler | 6d03b52 | 2014-10-17 13:00:20 -0700 | [diff] [blame] | 13 | * Test memory compare functions |
| 14 | */ |
| 15 | static void test_memcmp(void) |
| 16 | { |
| 17 | TEST_EQ(vb2_safe_memcmp("foo", "foo", 3), 0, "memcmp equal"); |
| 18 | TEST_NEQ(vb2_safe_memcmp("foo1", "foo2", 4), 0, "memcmp different"); |
| 19 | TEST_EQ(vb2_safe_memcmp("foo1", "foo2", 0), 0, "memcmp 0-size"); |
| 20 | } |
| 21 | |
| 22 | /** |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 23 | * Test alignment functions |
| 24 | */ |
| 25 | static void test_align(void) |
| 26 | { |
| 27 | uint64_t buf[4]; |
| 28 | uint8_t *p0, *ptr; |
| 29 | uint32_t size; |
| 30 | |
| 31 | /* Already aligned */ |
| 32 | p0 = (uint8_t *)buf; |
| 33 | ptr = p0; |
| 34 | size = 16; |
Randall Spangler | 2145721 | 2014-06-06 09:30:14 -0700 | [diff] [blame] | 35 | TEST_SUCC(vb2_align(&ptr, &size, 4, 16), "vb2_align() aligned"); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 36 | TEST_EQ(vb2_offset_of(p0, ptr), 0, "ptr"); |
| 37 | TEST_EQ(size, 16, " size"); |
Randall Spangler | 2145721 | 2014-06-06 09:30:14 -0700 | [diff] [blame] | 38 | TEST_EQ(vb2_align(&ptr, &size, 4, 17), |
| 39 | VB2_ERROR_ALIGN_SIZE, "vb2_align() small"); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 40 | |
| 41 | /* Offset */ |
| 42 | ptr = p0 + 1; |
| 43 | size = 15; |
Randall Spangler | 2145721 | 2014-06-06 09:30:14 -0700 | [diff] [blame] | 44 | TEST_SUCC(vb2_align(&ptr, &size, 4, 12), "vb2_align() offset"); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 45 | TEST_EQ(vb2_offset_of(p0, ptr), 4, "ptr"); |
| 46 | TEST_EQ(size, 12, " size"); |
| 47 | |
| 48 | /* Offset, now too small */ |
| 49 | ptr = p0 + 1; |
| 50 | size = 15; |
Randall Spangler | 2145721 | 2014-06-06 09:30:14 -0700 | [diff] [blame] | 51 | TEST_EQ(vb2_align(&ptr, &size, 4, 15), |
| 52 | VB2_ERROR_ALIGN_SIZE, "vb2_align() offset small"); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 53 | |
| 54 | /* Offset, too small even to align */ |
| 55 | ptr = p0 + 1; |
| 56 | size = 1; |
Randall Spangler | 2145721 | 2014-06-06 09:30:14 -0700 | [diff] [blame] | 57 | TEST_EQ(vb2_align(&ptr, &size, 4, 1), |
| 58 | VB2_ERROR_ALIGN_BIGGER_THAN_SIZE, "vb2_align() offset tiny"); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 59 | } |
| 60 | |
| 61 | /** |
| 62 | * Test work buffer functions |
| 63 | */ |
| 64 | static void test_workbuf(void) |
| 65 | { |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 66 | uint64_t buf[8] __attribute__ ((aligned (VB2_WORKBUF_ALIGN))); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 67 | uint8_t *p0 = (uint8_t *)buf, *ptr; |
| 68 | struct vb2_workbuf wb; |
| 69 | |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 70 | /* NOTE: There are several magic numbers below which assume that |
| 71 | * VB2_WORKBUF_ALIGN == 16 */ |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 72 | |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 73 | /* Init */ |
| 74 | vb2_workbuf_init(&wb, p0, 64); |
| 75 | TEST_EQ(vb2_offset_of(p0, wb.buf), 0, "Workbuf init aligned"); |
| 76 | TEST_EQ(wb.size, 64, " size"); |
| 77 | |
| 78 | vb2_workbuf_init(&wb, p0 + 4, 64); |
| 79 | TEST_EQ(vb2_offset_of(p0, wb.buf), VB2_WORKBUF_ALIGN, |
| 80 | "Workbuf init unaligned"); |
| 81 | TEST_EQ(wb.size, 64 - VB2_WORKBUF_ALIGN + 4, " size"); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 82 | |
| 83 | vb2_workbuf_init(&wb, p0 + 2, 5); |
| 84 | TEST_EQ(wb.size, 0, "Workbuf init tiny unaligned size"); |
| 85 | |
| 86 | /* Alloc rounds up */ |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 87 | vb2_workbuf_init(&wb, p0, 64); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 88 | ptr = vb2_workbuf_alloc(&wb, 22); |
| 89 | TEST_EQ(vb2_offset_of(p0, ptr), 0, "Workbuf alloc"); |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 90 | TEST_EQ(vb2_offset_of(p0, wb.buf), 32, " buf"); |
| 91 | TEST_EQ(wb.size, 32, " size"); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 92 | |
| 93 | vb2_workbuf_init(&wb, p0, 32); |
| 94 | TEST_PTR_EQ(vb2_workbuf_alloc(&wb, 33), NULL, "Workbuf alloc too big"); |
| 95 | |
| 96 | /* Free reverses alloc */ |
| 97 | vb2_workbuf_init(&wb, p0, 32); |
| 98 | vb2_workbuf_alloc(&wb, 22); |
| 99 | vb2_workbuf_free(&wb, 22); |
| 100 | TEST_EQ(vb2_offset_of(p0, wb.buf), 0, "Workbuf free buf"); |
| 101 | TEST_EQ(wb.size, 32, " size"); |
| 102 | |
| 103 | /* Realloc keeps same pointer as alloc */ |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 104 | vb2_workbuf_init(&wb, p0, 64); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 105 | vb2_workbuf_alloc(&wb, 6); |
| 106 | ptr = vb2_workbuf_realloc(&wb, 6, 21); |
| 107 | TEST_EQ(vb2_offset_of(p0, ptr), 0, "Workbuf realloc"); |
Bill Richardson | 73e5eb3 | 2015-01-26 12:18:25 -0800 | [diff] [blame] | 108 | TEST_EQ(vb2_offset_of(p0, wb.buf), 32, " buf"); |
| 109 | TEST_EQ(wb.size, 32, " size"); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | int main(int argc, char* argv[]) |
| 113 | { |
Randall Spangler | 6d03b52 | 2014-10-17 13:00:20 -0700 | [diff] [blame] | 114 | test_memcmp(); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 115 | test_align(); |
| 116 | test_workbuf(); |
Randall Spangler | 786acda | 2014-05-22 13:27:07 -0700 | [diff] [blame] | 117 | |
| 118 | return gTestSuccess ? 0 : 255; |
| 119 | } |