thodg/libgit2/tests-clar/diff/blob.c
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Hash : 1956693f
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Date : 2012-05-09T21:14:49
Fix MSVC compilation issue exp() is already defined in math.h. This leads to LMSVC complaining ..\..\libgit2\tests-clar\diff\blob.c(5): error C2365: 'exp' : redefinition; previous definition was 'function' Renaming the variable fixes this issue.
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tests-clar/diff/blob.c
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#include "clar_libgit2.h" #include "diff_helpers.h" static git_repository *g_repo = NULL; static diff_expects expected; static git_diff_options opts; static git_blob *d, *alien; void test_diff_blob__initialize(void) { git_oid oid; g_repo = cl_git_sandbox_init("attr"); memset(&opts, 0, sizeof(opts)); opts.context_lines = 1; opts.interhunk_lines = 1; memset(&expected, 0, sizeof(expected)); /* tests/resources/attr/root_test4.txt */ cl_git_pass(git_oid_fromstrn(&oid, "fe773770c5a6", 12)); cl_git_pass(git_blob_lookup_prefix(&d, g_repo, &oid, 6)); /* alien.png */ cl_git_pass(git_oid_fromstrn(&oid, "edf3dcee", 8)); cl_git_pass(git_blob_lookup_prefix(&alien, g_repo, &oid, 4)); } void test_diff_blob__cleanup(void) { git_blob_free(d); git_blob_free(alien); cl_git_sandbox_cleanup(); } void test_diff_blob__can_compare_text_blobs(void) { git_blob *a, *b, *c; git_oid a_oid, b_oid, c_oid; /* tests/resources/attr/root_test1 */ cl_git_pass(git_oid_fromstrn(&a_oid, "45141a79", 8)); cl_git_pass(git_blob_lookup_prefix(&a, g_repo, &a_oid, 4)); /* tests/resources/attr/root_test2 */ cl_git_pass(git_oid_fromstrn(&b_oid, "4d713dc4", 8)); cl_git_pass(git_blob_lookup_prefix(&b, g_repo, &b_oid, 4)); /* tests/resources/attr/root_test3 */ cl_git_pass(git_oid_fromstrn(&c_oid, "c96bbb2c2557a832", 16)); cl_git_pass(git_blob_lookup_prefix(&c, g_repo, &c_oid, 8)); /* Doing the equivalent of a `git diff -U1` on these files */ cl_git_pass(git_diff_blobs( a, b, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.files == 1); cl_assert(expected.file_mods == 1); cl_assert(expected.at_least_one_of_them_is_binary == false); cl_assert(expected.hunks == 1); cl_assert(expected.lines == 6); cl_assert(expected.line_ctxt == 1); cl_assert(expected.line_adds == 5); cl_assert(expected.line_dels == 0); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( b, c, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.files == 1); cl_assert(expected.file_mods == 1); cl_assert(expected.at_least_one_of_them_is_binary == false); cl_assert(expected.hunks == 1); cl_assert(expected.lines == 15); cl_assert(expected.line_ctxt == 3); cl_assert(expected.line_adds == 9); cl_assert(expected.line_dels == 3); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( a, c, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.files == 1); cl_assert(expected.file_mods == 1); cl_assert(expected.at_least_one_of_them_is_binary == false); cl_assert(expected.hunks == 1); cl_assert(expected.lines == 13); cl_assert(expected.line_ctxt == 0); cl_assert(expected.line_adds == 12); cl_assert(expected.line_dels == 1); opts.context_lines = 1; memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( c, d, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.files == 1); cl_assert(expected.file_mods == 1); cl_assert(expected.at_least_one_of_them_is_binary == false); cl_assert(expected.hunks == 2); cl_assert(expected.lines == 14); cl_assert(expected.line_ctxt == 4); cl_assert(expected.line_adds == 6); cl_assert(expected.line_dels == 4); git_blob_free(a); git_blob_free(b); git_blob_free(c); } void test_diff_blob__can_compare_against_null_blobs(void) { git_blob *e = NULL; cl_git_pass(git_diff_blobs( d, e, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.files == 1); cl_assert(expected.file_dels == 1); cl_assert(expected.at_least_one_of_them_is_binary == false); cl_assert(expected.hunks == 1); cl_assert(expected.hunk_old_lines == 14); cl_assert(expected.lines == 14); cl_assert(expected.line_dels == 14); opts.flags |= GIT_DIFF_REVERSE; memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( d, e, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.files == 1); cl_assert(expected.file_adds == 1); cl_assert(expected.at_least_one_of_them_is_binary == false); cl_assert(expected.hunks == 1); cl_assert(expected.hunk_new_lines == 14); cl_assert(expected.lines == 14); cl_assert(expected.line_adds == 14); opts.flags ^= GIT_DIFF_REVERSE; memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( alien, NULL, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.at_least_one_of_them_is_binary == true); cl_assert(expected.files == 1); cl_assert(expected.file_dels == 1); cl_assert(expected.hunks == 0); cl_assert(expected.lines == 0); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( NULL, alien, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.at_least_one_of_them_is_binary == true); cl_assert(expected.files == 1); cl_assert(expected.file_adds == 1); cl_assert(expected.hunks == 0); cl_assert(expected.lines == 0); } static void assert_identical_blobs_comparison(diff_expects expected) { cl_assert(expected.files == 1); cl_assert(expected.file_unmodified == 1); cl_assert(expected.hunks == 0); cl_assert(expected.lines == 0); } void test_diff_blob__can_compare_identical_blobs(void) { cl_git_pass(git_diff_blobs( d, d, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.at_least_one_of_them_is_binary == false); assert_identical_blobs_comparison(expected); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( NULL, NULL, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.at_least_one_of_them_is_binary == false); assert_identical_blobs_comparison(expected); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( alien, alien, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); cl_assert(expected.at_least_one_of_them_is_binary == true); assert_identical_blobs_comparison(expected); } static void assert_binary_blobs_comparison(diff_expects expected) { cl_assert(expected.at_least_one_of_them_is_binary == true); cl_assert(expected.files == 1); cl_assert(expected.file_mods == 1); cl_assert(expected.hunks == 0); cl_assert(expected.lines == 0); } void test_diff_blob__can_compare_two_binary_blobs(void) { git_blob *heart; git_oid h_oid; /* heart.png */ cl_git_pass(git_oid_fromstrn(&h_oid, "de863bff", 8)); cl_git_pass(git_blob_lookup_prefix(&heart, g_repo, &h_oid, 4)); cl_git_pass(git_diff_blobs( alien, heart, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); assert_binary_blobs_comparison(expected); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( heart, alien, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); assert_binary_blobs_comparison(expected); git_blob_free(heart); } void test_diff_blob__can_compare_a_binary_blob_and_a_text_blob(void) { cl_git_pass(git_diff_blobs( alien, d, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); assert_binary_blobs_comparison(expected); memset(&expected, 0, sizeof(expected)); cl_git_pass(git_diff_blobs( d, alien, &opts, &expected, diff_file_fn, diff_hunk_fn, diff_line_fn)); assert_binary_blobs_comparison(expected); }