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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 host misc library vboot2 functions
6  */
7 
8 #include <unistd.h>
9 
10 #include "2sysincludes.h"
11 #include "2common.h"
12 #include "vb2_common.h"
13 #include "host_common.h"
14 #include "host_misc.h"
15 
16 #include "test_common.h"
17 
misc_tests(void)18 static void misc_tests(void)
19 {
20 	TEST_EQ(roundup32(0), 0, "roundup32(0)");
21 	TEST_EQ(roundup32(15), 16, "roundup32(15)");
22 	TEST_EQ(roundup32(16), 16, "roundup32(16)");
23 
24 	TEST_EQ(vb2_desc_size(NULL), 0, "desc size null");
25 	TEST_EQ(vb2_desc_size(""), 0, "desc size empty");
26 	TEST_EQ(vb2_desc_size("foo"), 4, "desc size 'foo'");
27 	TEST_EQ(vb2_desc_size("foob"), 8, "desc size 'foob'");
28 }
29 
file_tests(void)30 static void file_tests(void)
31 {
32 	const char *testfile = "file_tests.dat";
33 	const uint8_t test_data[] = "Some test data";
34 	uint8_t *read_data;
35 	uint32_t read_size;
36 
37 	uint8_t cbuf[sizeof(struct vb2_struct_common) + 12];
38 	struct vb2_struct_common *c = (struct vb2_struct_common *)cbuf;
39 
40 	unlink(testfile);
41 
42 	TEST_EQ(vb2_read_file(testfile, &read_data, &read_size),
43 		VB2_ERROR_READ_FILE_OPEN, "vb2_read_file() missing");
44 	TEST_EQ(vb2_write_file("no/such/dir", test_data, sizeof(test_data)),
45 		VB2_ERROR_WRITE_FILE_OPEN, "vb2_write_file() open");
46 
47 	TEST_SUCC(vb2_write_file(testfile, test_data, sizeof(test_data)),
48 		  "vb2_write_file() good");
49 	TEST_SUCC(vb2_read_file(testfile, &read_data, &read_size),
50 		  "vb2_read_file() good");
51 	TEST_EQ(read_size, sizeof(test_data), "  data size");
52 	TEST_EQ(memcmp(read_data, test_data, read_size), 0, "  data");
53 	free(read_data);
54 	unlink(testfile);
55 
56 	memset(cbuf, 0, sizeof(cbuf));
57 	c->fixed_size = sizeof(*c);
58 	c->total_size = sizeof(cbuf);
59 	c->magic = 0x1234;
60 	cbuf[sizeof(cbuf) - 1] = 0xed;  /* Some non-zero data at the end */
61 	TEST_SUCC(vb2_write_object(testfile, c), "vb2_write_object() good");
62 	TEST_SUCC(vb2_read_file(testfile, &read_data, &read_size),
63 		  "vb2_read_file() object");
64 	TEST_EQ(read_size, c->total_size, "  data size");
65 	/* Compare the entire buffer, including the non-zero data at the end */
66 	TEST_EQ(memcmp(read_data, c, read_size), 0, "  data");
67 	free(read_data);
68 	unlink(testfile);
69 }
70 
main(int argc,char * argv[])71 int main(int argc, char* argv[])
72 {
73 	misc_tests();
74 	file_tests();
75 
76 	return gTestSuccess ? 0 : 255;
77 }
78