Initial commit - full huishou project

node_modules/nodegit/vendor/libgit2/tests/buf/oom.c

@@ -0,0 +1,59 @@
+#include "clar_libgit2.h"
+#include "buffer.h"
+
+/* Override default allocators with ones that will fail predictably. */
+
+static git_allocator std_alloc;
+static git_allocator oom_alloc;
+
+static void *oom_malloc(size_t n, const char *file, int line)
+{
+	/* Reject any allocation of more than 100 bytes */
+	return (n > 100) ? NULL : std_alloc.gmalloc(n, file, line);
+}
+
+static void *oom_realloc(void *p, size_t n, const char *file, int line)
+{
+	/* Reject any allocation of more than 100 bytes */
+	return (n > 100) ? NULL : std_alloc.grealloc(p, n, file, line);
+}
+
+void test_buf_oom__initialize(void)
+{
+	git_stdalloc_init_allocator(&std_alloc);
+	git_stdalloc_init_allocator(&oom_alloc);
+
+	oom_alloc.gmalloc = oom_malloc;
+	oom_alloc.grealloc = oom_realloc;
+
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_ALLOCATOR, &oom_alloc));
+}
+
+void test_buf_oom__cleanup(void)
+{
+	cl_git_pass(git_libgit2_opts(GIT_OPT_SET_ALLOCATOR, NULL));
+}
+
+void test_buf_oom__grow(void)
+{
+	git_buf buf = GIT_BUF_INIT;
+
+	cl_git_pass(git_buf_grow(&buf, 42));
+	cl_assert(!git_buf_oom(&buf));
+
+	cl_assert(git_buf_grow(&buf, 101) == -1);
+	cl_assert(git_buf_oom(&buf));
+
+	git_buf_dispose(&buf);
+}
+
+void test_buf_oom__grow_by(void)
+{
+	git_buf buf = GIT_BUF_INIT;
+
+	cl_git_pass(git_buf_grow_by(&buf, 42));
+	cl_assert(!git_buf_oom(&buf));
+
+	cl_assert(git_buf_grow_by(&buf, 101) == -1);
+	cl_assert(git_buf_oom(&buf));
+}