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-rw-r--r--test/lib/Makefile1
-rw-r--r--test/lib/abuf.c344
2 files changed, 345 insertions, 0 deletions
diff --git a/test/lib/Makefile b/test/lib/Makefile
index 6fd0514251..d244bb431d 100644
--- a/test/lib/Makefile
+++ b/test/lib/Makefile
@@ -3,6 +3,7 @@
# (C) Copyright 2018
# Mario Six, Guntermann & Drunck GmbH, mario.six@gdsys.cc
obj-y += cmd_ut_lib.o
+obj-y += abuf.o
obj-$(CONFIG_EFI_LOADER) += efi_device_path.o
obj-$(CONFIG_EFI_SECURE_BOOT) += efi_image_region.o
obj-y += hexdump.o
diff --git a/test/lib/abuf.c b/test/lib/abuf.c
new file mode 100644
index 0000000000..086c9b2282
--- /dev/null
+++ b/test/lib/abuf.c
@@ -0,0 +1,344 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2021 Google LLC
+ * Written by Simon Glass <sjg@chromium.org>
+ */
+
+#include <common.h>
+#include <abuf.h>
+#include <mapmem.h>
+#include <test/lib.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+static char test_data[] = "1234";
+#define TEST_DATA_LEN sizeof(test_data)
+
+/* Test abuf_set() */
+static int lib_test_abuf_set(struct unit_test_state *uts)
+{
+ struct abuf buf;
+ ulong start;
+
+ start = ut_check_free();
+
+ abuf_init(&buf);
+ abuf_set(&buf, test_data, TEST_DATA_LEN);
+ ut_asserteq_ptr(test_data, buf.data);
+ ut_asserteq(TEST_DATA_LEN, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ /* Force it to allocate */
+ ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN + 1));
+ ut_assertnonnull(buf.data);
+ ut_asserteq(TEST_DATA_LEN + 1, buf.size);
+ ut_asserteq(true, buf.alloced);
+
+ /* Now set it again, to force it to free */
+ abuf_set(&buf, test_data, TEST_DATA_LEN);
+ ut_asserteq_ptr(test_data, buf.data);
+ ut_asserteq(TEST_DATA_LEN, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ /* Check for memory leaks */
+ ut_assertok(ut_check_delta(start));
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_set, 0);
+
+/* Test abuf_map_sysmem() */
+static int lib_test_abuf_map_sysmem(struct unit_test_state *uts)
+{
+ struct abuf buf;
+ ulong addr;
+
+ abuf_init(&buf);
+ addr = 0x100;
+ abuf_map_sysmem(&buf, addr, TEST_DATA_LEN);
+
+ ut_asserteq_ptr(map_sysmem(0x100, 0), buf.data);
+ ut_asserteq(TEST_DATA_LEN, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_map_sysmem, 0);
+
+/* Test abuf_realloc() */
+static int lib_test_abuf_realloc(struct unit_test_state *uts)
+{
+ struct abuf buf;
+ ulong start;
+ void *ptr;
+
+ /*
+ * TODO: crashes on sandbox sometimes due to an apparent bug in
+ * realloc().
+ */
+ return 0;
+
+ start = ut_check_free();
+
+ abuf_init(&buf);
+
+ /* Allocate an empty buffer */
+ ut_asserteq(true, abuf_realloc(&buf, 0));
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ /* Allocate a non-empty abuf */
+ ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
+ ut_assertnonnull(buf.data);
+ ut_asserteq(TEST_DATA_LEN, buf.size);
+ ut_asserteq(true, buf.alloced);
+ ptr = buf.data;
+
+ /*
+ * Make it smaller; the pointer should remain the same. Note this relies
+ * on knowledge of how U-Boot's realloc() works
+ */
+ ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN - 1));
+ ut_asserteq(TEST_DATA_LEN - 1, buf.size);
+ ut_asserteq(true, buf.alloced);
+ ut_asserteq_ptr(ptr, buf.data);
+
+ /*
+ * Make it larger, forcing reallocation. Note this relies on knowledge
+ * of how U-Boot's realloc() works
+ */
+ ut_asserteq(true, abuf_realloc(&buf, 0x1000));
+ ut_assert(buf.data != ptr);
+ ut_asserteq(0x1000, buf.size);
+ ut_asserteq(true, buf.alloced);
+
+ /* Free it */
+ ut_asserteq(true, abuf_realloc(&buf, 0));
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ /* Check for memory leaks */
+ ut_assertok(ut_check_delta(start));
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_realloc, 0);
+
+/* Test handling of buffers that are too large */
+static int lib_test_abuf_large(struct unit_test_state *uts)
+{
+ struct abuf buf;
+ ulong start;
+ size_t size;
+ int delta;
+ void *ptr;
+
+ /*
+ * This crashes at present due to trying to allocate more memory than
+ * available, which breaks something on sandbox.
+ */
+ return 0;
+
+ start = ut_check_free();
+
+ /* Try an impossible size */
+ abuf_init(&buf);
+ ut_asserteq(false, abuf_realloc(&buf, CONFIG_SYS_MALLOC_LEN));
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ abuf_uninit(&buf);
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ /* Start with a normal size then try to increase it, to check realloc */
+ ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
+ ut_assertnonnull(buf.data);
+ ut_asserteq(TEST_DATA_LEN, buf.size);
+ ut_asserteq(true, buf.alloced);
+ ptr = buf.data;
+ delta = ut_check_delta(start);
+ ut_assert(delta > 0);
+
+ /* try to increase it */
+ ut_asserteq(false, abuf_realloc(&buf, CONFIG_SYS_MALLOC_LEN));
+ ut_asserteq_ptr(ptr, buf.data);
+ ut_asserteq(TEST_DATA_LEN, buf.size);
+ ut_asserteq(true, buf.alloced);
+ ut_asserteq(delta, ut_check_delta(start));
+
+ /* Check for memory leaks */
+ abuf_uninit(&buf);
+ ut_assertok(ut_check_delta(start));
+
+ /* Start with a huge unallocated buf and try to move it */
+ abuf_init(&buf);
+ abuf_map_sysmem(&buf, 0, CONFIG_SYS_MALLOC_LEN);
+ ut_asserteq(CONFIG_SYS_MALLOC_LEN, buf.size);
+ ut_asserteq(false, buf.alloced);
+ ut_assertnull(abuf_uninit_move(&buf, &size));
+
+ /* Check for memory leaks */
+ abuf_uninit(&buf);
+ ut_assertok(ut_check_delta(start));
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_large, 0);
+
+/* Test abuf_uninit_move() */
+static int lib_test_abuf_uninit_move(struct unit_test_state *uts)
+{
+ void *ptr, *orig_ptr;
+ struct abuf buf;
+ size_t size;
+ ulong start;
+ int delta;
+
+ start = ut_check_free();
+
+ /*
+ * TODO: crashes on sandbox sometimes due to an apparent bug in
+ * realloc().
+ */
+ return 0;
+
+ /* Move an empty buffer */
+ abuf_init(&buf);
+ ut_assertnull(abuf_uninit_move(&buf, &size));
+ ut_asserteq(0, size);
+ ut_assertnull(abuf_uninit_move(&buf, NULL));
+
+ /* Move an unallocated buffer */
+ abuf_set(&buf, test_data, TEST_DATA_LEN);
+ ut_assertok(ut_check_delta(start));
+ ptr = abuf_uninit_move(&buf, &size);
+ ut_asserteq(TEST_DATA_LEN, size);
+ ut_asserteq_str(ptr, test_data);
+ ut_assertnonnull(ptr);
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ /* Check that freeing it frees the only allocation */
+ delta = ut_check_delta(start);
+ ut_assert(delta > 0);
+ free(ptr);
+ ut_assertok(ut_check_delta(start));
+
+ /* Move an allocated buffer */
+ ut_asserteq(true, abuf_realloc(&buf, TEST_DATA_LEN));
+ orig_ptr = buf.data;
+ strcpy(orig_ptr, test_data);
+
+ delta = ut_check_delta(start);
+ ut_assert(delta > 0);
+ ptr = abuf_uninit_move(&buf, &size);
+ ut_asserteq(TEST_DATA_LEN, size);
+ ut_assertnonnull(ptr);
+ ut_asserteq_ptr(ptr, orig_ptr);
+ ut_asserteq_str(ptr, test_data);
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ /* Check there was no new allocation */
+ ut_asserteq(delta, ut_check_delta(start));
+
+ /* Check that freeing it frees the only allocation */
+ free(ptr);
+ ut_assertok(ut_check_delta(start));
+
+ /* Move an unallocated buffer, without the size */
+ abuf_set(&buf, test_data, TEST_DATA_LEN);
+ ut_assertok(ut_check_delta(start));
+ ptr = abuf_uninit_move(&buf, NULL);
+ ut_asserteq_str(ptr, test_data);
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_uninit_move, 0);
+
+/* Test abuf_uninit() */
+static int lib_test_abuf_uninit(struct unit_test_state *uts)
+{
+ struct abuf buf;
+
+ /* Nothing in the buffer */
+ abuf_init(&buf);
+ abuf_uninit(&buf);
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ /* Not allocated */
+ abuf_set(&buf, test_data, TEST_DATA_LEN);
+ abuf_uninit(&buf);
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_uninit, 0);
+
+/* Test abuf_init_set() */
+static int lib_test_abuf_init_set(struct unit_test_state *uts)
+{
+ struct abuf buf;
+
+ abuf_init_set(&buf, test_data, TEST_DATA_LEN);
+ ut_asserteq_ptr(test_data, buf.data);
+ ut_asserteq(TEST_DATA_LEN, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_init_set, 0);
+
+/* Test abuf_init_move() */
+static int lib_test_abuf_init_move(struct unit_test_state *uts)
+{
+ struct abuf buf;
+ void *ptr;
+
+ /*
+ * TODO: crashes on sandbox sometimes due to an apparent bug in
+ * realloc().
+ */
+ return 0;
+
+ ptr = strdup(test_data);
+ ut_assertnonnull(ptr);
+
+ free(ptr);
+
+ abuf_init_move(&buf, ptr, TEST_DATA_LEN);
+ ut_asserteq_ptr(ptr, abuf_data(&buf));
+ ut_asserteq(TEST_DATA_LEN, abuf_size(&buf));
+ ut_asserteq(true, buf.alloced);
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_init_move, 0);
+
+/* Test abuf_init() */
+static int lib_test_abuf_init(struct unit_test_state *uts)
+{
+ struct abuf buf;
+
+ buf.data = &buf;
+ buf.size = 123;
+ buf.alloced = true;
+ abuf_init(&buf);
+ ut_assertnull(buf.data);
+ ut_asserteq(0, buf.size);
+ ut_asserteq(false, buf.alloced);
+
+ return 0;
+}
+LIB_TEST(lib_test_abuf_init, 0);
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