--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test_basic_mempool.cpp Wed Feb 08 20:26:26 2023 +0100
@@ -0,0 +1,154 @@
+/*
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
+ *
+ * Copyright 2021 Mike Becker, Olaf Wintermann All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "cx/basic_mempool.h"
+#include "util_allocator.h"
+#include <gtest/gtest.h>
+
+class CxBasicMempool : public ::testing::Test {
+protected:
+ CxMempool *pool = nullptr;
+
+ void TearDown() override {
+ if (pool != nullptr) {
+ cxMempoolDestroy(pool);
+ }
+ }
+};
+
+TEST_F(CxBasicMempool, Create) {
+ pool = cxBasicMempoolCreate(16);
+ ASSERT_NE(pool->allocator, nullptr);
+ ASSERT_NE(pool->cl, nullptr);
+ EXPECT_NE(pool->cl->destroy, nullptr);
+ ASSERT_NE(pool->allocator->cl, nullptr);
+ EXPECT_EQ(pool->allocator->data, pool);
+ EXPECT_NE(pool->allocator->cl->malloc, nullptr);
+ EXPECT_NE(pool->allocator->cl->calloc, nullptr);
+ EXPECT_NE(pool->allocator->cl->realloc, nullptr);
+ EXPECT_NE(pool->allocator->cl->free, nullptr);
+
+ auto basic_pool = reinterpret_cast<cx_basic_mempool_s *>(pool);
+ EXPECT_EQ(basic_pool->size, 16);
+ EXPECT_EQ(basic_pool->ndata, 0);
+ EXPECT_NE(basic_pool->data, nullptr);
+}
+
+TEST_F(CxBasicMempool, malloc) {
+ pool = cxBasicMempoolCreate(4);
+ auto basic_pool = reinterpret_cast<cx_basic_mempool_s *>(pool);
+ EXPECT_NE(cxMalloc(pool->allocator, sizeof(int)), nullptr);
+ EXPECT_NE(cxMalloc(pool->allocator, sizeof(int)), nullptr);
+ EXPECT_EQ(basic_pool->ndata, 2);
+ EXPECT_EQ(basic_pool->size, 4);
+ EXPECT_NE(cxMalloc(pool->allocator, sizeof(int)), nullptr);
+ EXPECT_NE(cxMalloc(pool->allocator, sizeof(int)), nullptr);
+ EXPECT_EQ(basic_pool->ndata, 4);
+ EXPECT_EQ(basic_pool->size, 4);
+ EXPECT_NE(cxMalloc(pool->allocator, sizeof(int)), nullptr);
+ EXPECT_NE(cxMalloc(pool->allocator, sizeof(int)), nullptr);
+ EXPECT_EQ(basic_pool->ndata, 6);
+ EXPECT_GE(basic_pool->size, 6);
+}
+
+TEST_F(CxBasicMempool, calloc) {
+ pool = cxBasicMempoolCreate(4);
+
+ auto test = (int *) cxCalloc(pool->allocator, 2, sizeof(int));
+ ASSERT_NE(test, nullptr);
+ EXPECT_EQ(test[0], 0);
+ EXPECT_EQ(test[1], 0);
+}
+
+static unsigned test_destructor_called = 0;
+
+static void test_destructor([[maybe_unused]] void *mem) {
+ test_destructor_called++;
+}
+
+TEST_F(CxBasicMempool, destructor) {
+ pool = cxBasicMempoolCreate(4);
+ auto data = cxMalloc(pool->allocator, sizeof(int));
+ *((int *) data) = 13;
+ cxMempoolSetDestructor(pool, data, test_destructor);
+ EXPECT_EQ(*((int *) data), 13);
+ test_destructor_called = 0;
+ cxFree(pool->allocator, data);
+ EXPECT_EQ(test_destructor_called, 1);
+ data = cxMalloc(pool->allocator, sizeof(int));
+ cxMempoolSetDestructor(pool, data, test_destructor);
+ cxMempoolDestroy(pool);
+ pool = nullptr;
+ EXPECT_EQ(test_destructor_called, 2);
+}
+
+TEST_F(CxBasicMempool, realloc) {
+ pool = cxBasicMempoolCreate(4);
+ auto data = cxMalloc(pool->allocator, sizeof(int));
+ *((int *) data) = 13;
+ cxMempoolSetDestructor(pool, data, test_destructor);
+
+ void *rdata = data;
+ unsigned n = 1;
+ while (rdata == data) {
+ n <<= 1;
+ ASSERT_LT(n, 65536); // eventually the memory should be moved elsewhere
+ rdata = cxRealloc(pool->allocator, data, n * sizeof(intptr_t));
+ }
+
+ EXPECT_EQ(*((int *) rdata), 13);
+ // test if destructor is still intact
+ test_destructor_called = 0;
+ cxFree(pool->allocator, rdata);
+ EXPECT_EQ(test_destructor_called, 1);
+}
+
+
+TEST_F(CxBasicMempool, free) {
+ pool = cxBasicMempoolCreate(4);
+ auto basic_pool = reinterpret_cast<cx_basic_mempool_s *>(pool);
+
+ void *mem1;
+ void *mem2;
+
+ mem1 = cxMalloc(pool->allocator, 16);
+ cxFree(pool->allocator, mem1);
+ EXPECT_EQ(basic_pool->ndata, 0);
+
+ cxMalloc(pool->allocator, 16);
+ cxMalloc(pool->allocator, 16);
+ mem1 = cxMalloc(pool->allocator, 16);
+ cxMalloc(pool->allocator, 16);
+ mem2 = cxMalloc(pool->allocator, 16);
+
+ EXPECT_EQ(basic_pool->ndata, 5);
+ cxFree(pool->allocator, mem1);
+ EXPECT_EQ(basic_pool->ndata, 4);
+ cxFree(pool->allocator, mem2);
+ EXPECT_EQ(basic_pool->ndata, 3);
+}
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