thodg/libgit2/tests/core/oidmap.c

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• Hash : bd66925a
  Author :
  Date : 2018-12-01T10:29:32
  

  oidmap: remove legacy low-level interface Remove the low-level interface that was exposing implementation details of `git_oidmap` to callers. From now on, only the high-level functions shall be used to retrieve or modify values of a map. Adjust remaining existing callers.

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• tests/core/oidmap.c

• #include "clar_libgit2.h"
  #include "oidmap.h"
  
  static struct {
  	git_oid oid;
  	size_t extra;
  } test_oids[0x0FFF];
  
  static git_oidmap *g_map;
  
  void test_core_oidmap__initialize(void)
  {
  	uint32_t i, j;
  	for (i = 0; i < ARRAY_SIZE(test_oids); ++i) {
  		uint32_t segment = i / 8;
  		int modi = i - (segment * 8);
  
  		test_oids[i].extra = i;
  
  		for (j = 0; j < GIT_OID_RAWSZ / 4; ++j) {
  			test_oids[i].oid.id[j * 4    ] = (unsigned char)modi;
  			test_oids[i].oid.id[j * 4 + 1] = (unsigned char)(modi >> 8);
  			test_oids[i].oid.id[j * 4 + 2] = (unsigned char)(modi >> 16);
  			test_oids[i].oid.id[j * 4 + 3] = (unsigned char)(modi >> 24);
  		}
  
  		test_oids[i].oid.id[ 8] = (unsigned char)i;
  		test_oids[i].oid.id[ 9] = (unsigned char)(i >> 8);
  		test_oids[i].oid.id[10] = (unsigned char)(i >> 16);
  		test_oids[i].oid.id[11] = (unsigned char)(i >> 24);
  	}
  
  	cl_git_pass(git_oidmap_new(&g_map));
  }
  
  void test_core_oidmap__cleanup(void)
  {
  	git_oidmap_free(g_map);
  }
  
  void test_core_oidmap__basic(void)
  {
  	size_t i;
  
  	for (i = 0; i < ARRAY_SIZE(test_oids); ++i) {
  		cl_assert(!git_oidmap_exists(g_map, &test_oids[i].oid));
  		cl_git_pass(git_oidmap_set(g_map, &test_oids[i].oid, &test_oids[i]));
  	}
  
  	for (i = 0; i < ARRAY_SIZE(test_oids); ++i) {
  		cl_assert(git_oidmap_exists(g_map, &test_oids[i].oid));
  		cl_assert_equal_p(git_oidmap_get(g_map, &test_oids[i].oid), &test_oids[i]);
  	}
  }
  
  void test_core_oidmap__hash_collision(void)
  {
  	size_t i;
  
  	for (i = 0; i < ARRAY_SIZE(test_oids); ++i) {
  		cl_assert(!git_oidmap_exists(g_map, &test_oids[i].oid));
  		cl_git_pass(git_oidmap_set(g_map, &test_oids[i].oid, &test_oids[i]));
  	}
  
  	for (i = 0; i < ARRAY_SIZE(test_oids); ++i) {
  		cl_assert(git_oidmap_exists(g_map, &test_oids[i].oid));
  		cl_assert_equal_p(git_oidmap_get(g_map, &test_oids[i].oid), &test_oids[i]);
  	}
  }
  
  void test_core_oidmap__get_succeeds_with_existing_keys(void)
  {
  	size_t i;
  
  	for (i = 0; i < ARRAY_SIZE(test_oids); ++i)
  		cl_git_pass(git_oidmap_set(g_map, &test_oids[i].oid, &test_oids[i]));
  
  	for (i = 0; i < ARRAY_SIZE(test_oids); ++i)
  		cl_assert_equal_p(git_oidmap_get(g_map, &test_oids[i].oid), &test_oids[i]);
  }
  
  void test_core_oidmap__get_fails_with_nonexisting_key(void)
  {
  	size_t i;
  
  	/* Do _not_ add last OID to verify that we cannot look it up */
  	for (i = 0; i < ARRAY_SIZE(test_oids) - 1; ++i)
  		cl_git_pass(git_oidmap_set(g_map, &test_oids[i].oid, &test_oids[i]));
  
  	cl_assert_equal_p(git_oidmap_get(g_map, &test_oids[ARRAY_SIZE(test_oids) - 1].oid), NULL);
  }
  
  void test_core_oidmap__setting_oid_persists(void)
  {
  	git_oid oids[] = {
  	    {{ 0x01 }},
  	    {{ 0x02 }},
  	    {{ 0x03 }}
  	};
  
  	cl_git_pass(git_oidmap_set(g_map, &oids[0], "one"));
  	cl_git_pass(git_oidmap_set(g_map, &oids[1], "two"));
  	cl_git_pass(git_oidmap_set(g_map, &oids[2], "three"));
  
  	cl_assert_equal_s(git_oidmap_get(g_map, &oids[0]), "one");
  	cl_assert_equal_s(git_oidmap_get(g_map, &oids[1]), "two");
  	cl_assert_equal_s(git_oidmap_get(g_map, &oids[2]), "three");
  }
  
  void test_core_oidmap__setting_existing_key_updates(void)
  {
  	git_oid oids[] = {
  	    {{ 0x01 }},
  	    {{ 0x02 }},
  	    {{ 0x03 }}
  	};
  
  	cl_git_pass(git_oidmap_set(g_map, &oids[0], "one"));
  	cl_git_pass(git_oidmap_set(g_map, &oids[1], "two"));
  	cl_git_pass(git_oidmap_set(g_map, &oids[2], "three"));
  	cl_assert_equal_i(git_oidmap_size(g_map), 3);
  
  	cl_git_pass(git_oidmap_set(g_map, &oids[1], "other"));
  	cl_assert_equal_i(git_oidmap_size(g_map), 3);
  
  	cl_assert_equal_s(git_oidmap_get(g_map, &oids[1]), "other");
  }
  

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