asn1_test.h

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#ifndef _ASN1_TEST_H
#define _ASN1_TEST_H

FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );

#include <stdint.h>
#include <ipxe/image.h>
#include <ipxe/sha1.h>
#include <ipxe/test.h>

/** Digest algorithm used for ASN.1 tests */
#define asn1_test_digest_algorithm sha1_algorithm

/** Digest size used for ASN.1 tests */
#define ASN1_TEST_DIGEST_SIZE SHA1_DIGEST_SIZE

/** An ASN.1 test digest */
struct asn1_test_digest {
        /** Digest value */
        uint8_t digest[ASN1_TEST_DIGEST_SIZE];
};

/** An ASN.1 test */
struct asn1_test {
        /** Image type */
        struct image_type *type;
        /** Source image */
        struct image *image;
        /** Expected digests of ASN.1 objects */
        struct asn1_test_digest *expected;
        /** Number of ASN.1 objects */
        unsigned int count;
};

/**
 * Define an ASN.1 test
 *
 * @v _name             Test name
 * @v _type             Test image file type
 * @v _file             Test image file data
 * @v ...               Expected ASN.1 object digests
 * @ret test            ASN.1 test
 */
#define ASN1( _name, _type, _file, ... )                                \
        static const char _name ## __file[] = _file;                    \
        static struct image _name ## __image = {                        \
                .refcnt = REF_INIT ( ref_no_free ),                     \
                .name = #_name,                                         \
                .flags = ( IMAGE_STATIC | IMAGE_STATIC_NAME ),          \
                .data = _name ## __file,                                \
                .len = sizeof ( _name ## __file ),                      \
        };                                                              \
        static struct asn1_test_digest _name ## _expected[] = {         \
                __VA_ARGS__                                             \
        };                                                              \
        static struct asn1_test _name = {                               \
                .type = _type,                                          \
                .image = & _name ## __image,                            \
                .expected = _name ## _expected,                         \
                .count = ( sizeof ( _name ## _expected ) /              \
                           sizeof ( _name ## _expected[0] ) ),          \
        };

extern void asn1_okx ( struct asn1_test *test, const char *file,
                       unsigned int line );

/**
 * Report ASN.1 test result
 *
 * @v test              ASN.1 test
 */
#define asn1_ok( test ) asn1_okx ( test, __FILE__, __LINE__ )

#endif /* _ASN1_TEST_H */