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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 
     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 
     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 
     71 int main(int argc, char* argv[])
     72 {
     73 	misc_tests();
     74 	file_tests();
     75 
     76 	return gTestSuccess ? 0 : 255;
     77 }
     78