Test failed Ring allocation

1 files changed, 33 insertions, 0 deletions

diff --git a/test/failing_allocator.h b/test/failing_allocator.h
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+++ b/test/failing_allocator.h
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+/*
+  Copyright 2021 David Robillard <d@drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef ZIX_FAILING_ALLOCATOR_H
+#define ZIX_FAILING_ALLOCATOR_H
+
+#include "zix/allocator.h"
+
+#include <stddef.h>
+
+/// An allocator that fails after some number of successes for testing
+typedef struct {
+  size_t n_allocations; ///< The number of allocations that have been attempted
+  size_t n_remaining;   ///< The number of remaining successful allocations
+} ZixFailingAllocatorState;
+
+ZixAllocator
+zix_failing_allocator(ZixFailingAllocatorState* state);
+
+#endif // ZIX_FAILING_ALLOCATOR_H