New upstream version 1.4.3+dfsg.1

[libgit2.git] / tests / core / errors.c

diff --git a/tests/core/errors.c b/tests/core/errors.c
index 512a4134d683ae06f040f09e8f0f2172a19bf78a..386ecdc5f4d32e57693739fa224c47a5b9fd7251 100644 (file)
--- a/tests/core/errors.c
+++ b/tests/core/errors.c
@@ -4,26 +4,26 @@ void test_core_errors__public_api(void)
 {
        char *str_in_error;
 
-       giterr_clear();
-       cl_assert(giterr_last() == NULL);
+       git_error_clear();
+       cl_assert(git_error_last() == NULL);
 
-       giterr_set_oom();
+       git_error_set_oom();
 
-       cl_assert(giterr_last() != NULL);
-       cl_assert(giterr_last()->klass == GITERR_NOMEMORY);
-       str_in_error = strstr(giterr_last()->message, "memory");
+       cl_assert(git_error_last() != NULL);
+       cl_assert(git_error_last()->klass == GIT_ERROR_NOMEMORY);
+       str_in_error = strstr(git_error_last()->message, "memory");
        cl_assert(str_in_error != NULL);
 
-       giterr_clear();
+       git_error_clear();
 
-       giterr_set_str(GITERR_REPOSITORY, "This is a test");
+       git_error_set_str(GIT_ERROR_REPOSITORY, "This is a test");
 
-       cl_assert(giterr_last() != NULL);
-       str_in_error = strstr(giterr_last()->message, "This is a test");
+       cl_assert(git_error_last() != NULL);
+       str_in_error = strstr(git_error_last()->message, "This is a test");
        cl_assert(str_in_error != NULL);
 
-       giterr_clear();
-       cl_assert(giterr_last() == NULL);
+       git_error_clear();
+       cl_assert(git_error_last() == NULL);
 }
 
 #include "common.h"
@@ -34,26 +34,26 @@ void test_core_errors__new_school(void)
 {
        char *str_in_error;
 
-       giterr_clear();
-       cl_assert(giterr_last() == NULL);
+       git_error_clear();
+       cl_assert(git_error_last() == NULL);
 
-       giterr_set_oom(); /* internal fn */
+       git_error_set_oom(); /* internal fn */
 
-       cl_assert(giterr_last() != NULL);
-       cl_assert(giterr_last()->klass == GITERR_NOMEMORY);
-       str_in_error = strstr(giterr_last()->message, "memory");
+       cl_assert(git_error_last() != NULL);
+       cl_assert(git_error_last()->klass == GIT_ERROR_NOMEMORY);
+       str_in_error = strstr(git_error_last()->message, "memory");
        cl_assert(str_in_error != NULL);
 
-       giterr_clear();
+       git_error_clear();
 
-       giterr_set(GITERR_REPOSITORY, "This is a test"); /* internal fn */
+       git_error_set(GIT_ERROR_REPOSITORY, "This is a test"); /* internal fn */
 
-       cl_assert(giterr_last() != NULL);
-       str_in_error = strstr(giterr_last()->message, "This is a test");
+       cl_assert(git_error_last() != NULL);
+       str_in_error = strstr(git_error_last()->message, "This is a test");
        cl_assert(str_in_error != NULL);
 
-       giterr_clear();
-       cl_assert(giterr_last() == NULL);
+       git_error_clear();
+       cl_assert(git_error_last() == NULL);
 
        do {
                struct stat st;
@@ -61,27 +61,162 @@ void test_core_errors__new_school(void)
                cl_assert(p_lstat("this_file_does_not_exist", &st) < 0);
                GIT_UNUSED(st);
        } while (false);
-       giterr_set(GITERR_OS, "stat failed"); /* internal fn */
+       git_error_set(GIT_ERROR_OS, "stat failed"); /* internal fn */
 
-       cl_assert(giterr_last() != NULL);
-       str_in_error = strstr(giterr_last()->message, "stat failed");
+       cl_assert(git_error_last() != NULL);
+       str_in_error = strstr(git_error_last()->message, "stat failed");
        cl_assert(str_in_error != NULL);
        cl_assert(git__prefixcmp(str_in_error, "stat failed: ") == 0);
        cl_assert(strlen(str_in_error) > strlen("stat failed: "));
 
 #ifdef GIT_WIN32
-       giterr_clear();
+       git_error_clear();
 
        /* The MSDN docs use this to generate a sample error */
        cl_assert(GetProcessId(NULL) == 0);
-       giterr_set(GITERR_OS, "GetProcessId failed"); /* internal fn */
+       git_error_set(GIT_ERROR_OS, "GetProcessId failed"); /* internal fn */
 
-       cl_assert(giterr_last() != NULL);
-       str_in_error = strstr(giterr_last()->message, "GetProcessId failed");
+       cl_assert(git_error_last() != NULL);
+       str_in_error = strstr(git_error_last()->message, "GetProcessId failed");
        cl_assert(str_in_error != NULL);
        cl_assert(git__prefixcmp(str_in_error, "GetProcessId failed: ") == 0);
        cl_assert(strlen(str_in_error) > strlen("GetProcessId failed: "));
 #endif
 
-       giterr_clear();
+       git_error_clear();
+}
+
+void test_core_errors__restore(void)
+{
+       git_error_state err_state = {0};
+
+       git_error_clear();
+       cl_assert(git_error_last() == NULL);
+
+       cl_assert_equal_i(0, git_error_state_capture(&err_state, 0));
+
+       memset(&err_state, 0x0, sizeof(git_error_state));
+
+       git_error_set(42, "Foo: %s", "bar");
+       cl_assert_equal_i(-1, git_error_state_capture(&err_state, -1));
+
+       cl_assert(git_error_last() == NULL);
+
+       git_error_set(99, "Bar: %s", "foo");
+
+       git_error_state_restore(&err_state);
+
+       cl_assert_equal_i(42, git_error_last()->klass);
+       cl_assert_equal_s("Foo: bar", git_error_last()->message);
+}
+
+void test_core_errors__free_state(void)
+{
+       git_error_state err_state = {0};
+
+       git_error_clear();
+
+       git_error_set(42, "Foo: %s", "bar");
+       cl_assert_equal_i(-1, git_error_state_capture(&err_state, -1));
+
+       git_error_set(99, "Bar: %s", "foo");
+
+       git_error_state_free(&err_state);
+
+       cl_assert_equal_i(99, git_error_last()->klass);
+       cl_assert_equal_s("Bar: foo", git_error_last()->message);
+
+       git_error_state_restore(&err_state);
+
+       cl_assert(git_error_last() == NULL);
+}
+
+void test_core_errors__restore_oom(void)
+{
+       git_error_state err_state = {0};
+       const git_error *oom_error = NULL;
+
+       git_error_clear();
+
+       git_error_set_oom(); /* internal fn */
+       oom_error = git_error_last();
+       cl_assert(oom_error);
+
+       cl_assert_equal_i(-1, git_error_state_capture(&err_state, -1));
+
+       cl_assert(git_error_last() == NULL);
+       cl_assert_equal_i(GIT_ERROR_NOMEMORY, err_state.error_msg.klass);
+       cl_assert_equal_s("Out of memory", err_state.error_msg.message);
+
+       git_error_state_restore(&err_state);
+
+       cl_assert(git_error_last()->klass == GIT_ERROR_NOMEMORY);
+       cl_assert_(git_error_last() == oom_error, "static oom error not restored");
+
+       git_error_clear();
+}
+
+static int test_arraysize_multiply(size_t nelem, size_t size)
+{
+       size_t out;
+       GIT_ERROR_CHECK_ALLOC_MULTIPLY(&out, nelem, size);
+       return 0;
+}
+
+void test_core_errors__integer_overflow_alloc_multiply(void)
+{
+       cl_git_pass(test_arraysize_multiply(10, 10));
+       cl_git_pass(test_arraysize_multiply(1000, 1000));
+       cl_git_pass(test_arraysize_multiply(SIZE_MAX/sizeof(void *), sizeof(void *)));
+       cl_git_pass(test_arraysize_multiply(0, 10));
+       cl_git_pass(test_arraysize_multiply(10, 0));
+
+       cl_git_fail(test_arraysize_multiply(SIZE_MAX-1, sizeof(void *)));
+       cl_git_fail(test_arraysize_multiply((SIZE_MAX/sizeof(void *))+1, sizeof(void *)));
+
+       cl_assert_equal_i(GIT_ERROR_NOMEMORY, git_error_last()->klass);
+       cl_assert_equal_s("Out of memory", git_error_last()->message);
+}
+
+static int test_arraysize_add(size_t one, size_t two)
+{
+       size_t out;
+       GIT_ERROR_CHECK_ALLOC_ADD(&out, one, two);
+       return 0;
+}
+
+void test_core_errors__integer_overflow_alloc_add(void)
+{
+       cl_git_pass(test_arraysize_add(10, 10));
+       cl_git_pass(test_arraysize_add(1000, 1000));
+       cl_git_pass(test_arraysize_add(SIZE_MAX-10, 10));
+
+       cl_git_fail(test_arraysize_multiply(SIZE_MAX-1, 2));
+       cl_git_fail(test_arraysize_multiply(SIZE_MAX, SIZE_MAX));
+
+       cl_assert_equal_i(GIT_ERROR_NOMEMORY, git_error_last()->klass);
+       cl_assert_equal_s("Out of memory", git_error_last()->message);
+}
+
+void test_core_errors__integer_overflow_sets_oom(void)
+{
+       size_t out;
+
+       git_error_clear();
+       cl_assert(!GIT_ADD_SIZET_OVERFLOW(&out, SIZE_MAX-1, 1));
+       cl_assert_equal_p(NULL, git_error_last());
+
+       git_error_clear();
+       cl_assert(!GIT_ADD_SIZET_OVERFLOW(&out, 42, 69));
+       cl_assert_equal_p(NULL, git_error_last());
+
+       git_error_clear();
+       cl_assert(GIT_ADD_SIZET_OVERFLOW(&out, SIZE_MAX, SIZE_MAX));
+       cl_assert_equal_i(GIT_ERROR_NOMEMORY, git_error_last()->klass);
+       cl_assert_equal_s("Out of memory", git_error_last()->message);
+
+       git_error_clear();
+       cl_assert(GIT_ADD_SIZET_OVERFLOW(&out, SIZE_MAX, SIZE_MAX));
+       cl_assert_equal_i(GIT_ERROR_NOMEMORY, git_error_last()->klass);
+       cl_assert_equal_s("Out of memory", git_error_last()->message);
 }