thodg/libgit2/tests/t0000-hash.c

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• Hash : 007e0753
  Author :
  Date : 2008-12-27T18:58:25
  

  Add some routines for SHA1 hash computation [sp: Changed signature for output to use git_oid, and added a test case to verify an allocated git_hash_ctx can be reinitialized and reused.] Signed-off-by: Ramsay Jones <ramsay@ramsay1.demon.co.uk> Signed-off-by: Shawn O. Pearce <spearce@spearce.org>

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• tests/t0000-hash.c

• #include "test_lib.h"
  #include "hash.h"
  #include <git/oid.h>
  
  static char *hello_id = "22596363b3de40b06f981fb85d82312e8c0ed511";
  static char *hello_text = "hello world\n";
  
  static char *bye_id = "ce08fe4884650f067bd5703b6a59a8b3b3c99a09";
  static char *bye_text = "bye world\n";
  
  BEGIN_TEST(hash_iuf)
      git_hash_ctx *ctx;
      git_oid id1, id2;
  
      must_be_true((ctx = git_hash_new_ctx()) != NULL);
  
  	/* should already be init'd */
      git_hash_update(ctx, hello_text, strlen(hello_text));
      git_hash_final(&id2, ctx);
      must_pass(git_oid_mkstr(&id1, hello_id));
      must_be_true(git_oid_cmp(&id1, &id2) == 0);
  
  	/* reinit should permit reuse */
      git_hash_init(ctx);
      git_hash_update(ctx, bye_text, strlen(bye_text));
      git_hash_final(&id2, ctx);
      must_pass(git_oid_mkstr(&id1, bye_id));
      must_be_true(git_oid_cmp(&id1, &id2) == 0);
  
      git_hash_free_ctx(ctx);
  END_TEST
  
  BEGIN_TEST(hash_buf)
      git_oid id1, id2;
  
      must_pass(git_oid_mkstr(&id1, hello_id));
  
      git_hash_buf(&id2, hello_text, strlen(hello_text));
  
      must_be_true(git_oid_cmp(&id1, &id2) == 0);
  END_TEST
  
  BEGIN_TEST(hash_vec)
      git_oid id1, id2;
      git_buf_vec vec[2];
  
      must_pass(git_oid_mkstr(&id1, hello_id));
  
      vec[0].data = hello_text;
      vec[0].len  = 4;
      vec[1].data = hello_text+4;
      vec[1].len  = strlen(hello_text)-4;
  
      git_hash_vec(&id2, vec, 2);
  
      must_be_true(git_oid_cmp(&id1, &id2) == 0);
  END_TEST
  

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