[U-Boot] [PATCH v3 05/21] test: Add a simple test for bloblist
Simon Glass
sjg at chromium.org
Fri Nov 16 01:43:53 UTC 2018
Add a unit test for the bloblist functionality and enable bloblist for
sandbox.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
Changes in v3: None
Changes in v2: None
arch/Kconfig | 1 +
include/test/suites.h | 1 +
test/Makefile | 1 +
test/bloblist.c | 187 ++++++++++++++++++++++++++++++++++++++++++
test/cmd_ut.c | 3 +
5 files changed, 193 insertions(+)
create mode 100644 test/bloblist.c
diff --git a/arch/Kconfig b/arch/Kconfig
index 9fdd2f7e66a..947070fdd35 100644
--- a/arch/Kconfig
+++ b/arch/Kconfig
@@ -91,6 +91,7 @@ config SANDBOX
select SPI
select SUPPORT_OF_CONTROL
imply BITREVERSE
+ select BLOBLIST
imply CMD_DM
imply CMD_GETTIME
imply CMD_HASH
diff --git a/include/test/suites.h b/include/test/suites.h
index abb3a4b8169..77d863b4a6a 100644
--- a/include/test/suites.h
+++ b/include/test/suites.h
@@ -23,6 +23,7 @@ struct unit_test;
int cmd_ut_category(const char *name, struct unit_test *tests, int n_ents,
int argc, char * const argv[]);
+int do_ut_bloblist(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]);
int do_ut_compression(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]);
int do_ut_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
int do_ut_env(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]);
diff --git a/test/Makefile b/test/Makefile
index 1e434730b68..2fe41f489c3 100644
--- a/test/Makefile
+++ b/test/Makefile
@@ -2,6 +2,7 @@
#
# (C) Copyright 2012 The Chromium Authors
+obj-$(CONFIG_SANDBOX) += bloblist.o
obj-$(CONFIG_UNIT_TEST) += cmd_ut.o
obj-$(CONFIG_UNIT_TEST) += ut.o
obj-$(CONFIG_SANDBOX) += command_ut.o
diff --git a/test/bloblist.c b/test/bloblist.c
new file mode 100644
index 00000000000..89bdb012e35
--- /dev/null
+++ b/test/bloblist.c
@@ -0,0 +1,187 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2018, Google Inc. All rights reserved.
+ */
+
+#include <common.h>
+#include <bloblist.h>
+#include <log.h>
+#include <mapmem.h>
+#include <test/suites.h>
+#include <test/test.h>
+#include <test/ut.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/* Declare a new compression test */
+#define BLOBLIST_TEST(_name, _flags) \
+ UNIT_TEST(_name, _flags, bloblist_test)
+
+enum {
+ TEST_TAG = 1,
+ TEST_TAG2 = 2,
+ TEST_TAG_MISSING = 3,
+
+ TEST_SIZE = 10,
+ TEST_SIZE2 = 20,
+
+ TEST_ADDR = CONFIG_BLOBLIST_ADDR,
+ TEST_BLOBLIST_SIZE = 0x100,
+};
+
+static struct bloblist_hdr *clear_bloblist(void)
+{
+ struct bloblist_hdr *hdr;
+
+ /* Clear out any existing bloblist so we have a clean slate */
+ hdr = map_sysmem(CONFIG_BLOBLIST_ADDR, TEST_BLOBLIST_SIZE);
+ memset(hdr, '\0', TEST_BLOBLIST_SIZE);
+
+ return hdr;
+}
+
+static int bloblist_test_init(struct unit_test_state *uts)
+{
+ struct bloblist_hdr *hdr;
+
+ hdr = clear_bloblist();
+ ut_asserteq(-ENOENT, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
+ hdr->version++;
+ ut_asserteq(-EPROTONOSUPPORT, bloblist_check(TEST_ADDR,
+ TEST_BLOBLIST_SIZE));
+
+ ut_asserteq(-ENOSPC, bloblist_new(TEST_ADDR, 0x10, 0));
+ ut_asserteq(-EFAULT, bloblist_new(1, TEST_BLOBLIST_SIZE, 0));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
+
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_finish());
+ ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ hdr->flags++;
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+
+ return 1;
+}
+BLOBLIST_TEST(bloblist_test_init, 0);
+
+static int bloblist_test_blob(struct unit_test_state *uts)
+{
+ struct bloblist_hdr *hdr;
+ struct bloblist_rec *rec, *rec2;
+ char *data;
+
+ /* At the start there should be no records */
+ hdr = clear_bloblist();
+ ut_assertnull(bloblist_find(TEST_TAG, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
+
+ /* Add a record and check that we can find it */
+ data = bloblist_add(TEST_TAG, TEST_SIZE);
+ rec = (void *)(hdr + 1);
+ ut_asserteq_ptr(rec + 1, data);
+ data = bloblist_find(TEST_TAG, TEST_SIZE);
+ ut_asserteq_ptr(rec + 1, data);
+
+ /* Check the 'ensure' method */
+ ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
+ ut_assertnull(bloblist_ensure(TEST_TAG, TEST_SIZE2));
+ rec2 = (struct bloblist_rec *)(data + ALIGN(TEST_SIZE, BLOBLIST_ALIGN));
+
+ /* Check for a non-existent record */
+ ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
+ ut_asserteq_ptr(rec2 + 1, bloblist_ensure(TEST_TAG2, TEST_SIZE2));
+ ut_assertnull(bloblist_find(TEST_TAG_MISSING, 0));
+
+ return 0;
+}
+BLOBLIST_TEST(bloblist_test_blob, 0);
+
+static int bloblist_test_bad_blob(struct unit_test_state *uts)
+{
+ struct bloblist_hdr *hdr;
+ void *data;
+
+ hdr = clear_bloblist();
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
+ data = hdr + 1;
+ data += sizeof(struct bloblist_rec);
+ ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
+ ut_asserteq_ptr(data, bloblist_ensure(TEST_TAG, TEST_SIZE));
+
+ return 0;
+}
+BLOBLIST_TEST(bloblist_test_bad_blob, 0);
+
+static int bloblist_test_checksum(struct unit_test_state *uts)
+{
+ struct bloblist_hdr *hdr;
+ char *data, *data2;
+
+ hdr = clear_bloblist();
+ ut_assertok(bloblist_new(TEST_ADDR, TEST_BLOBLIST_SIZE, 0));
+ ut_assertok(bloblist_finish());
+ ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+
+ /*
+ * Now change things amd make sure that the checksum notices. We cannot
+ * change the size or alloced fields, since that will crash the code.
+ * It has to rely on these being correct.
+ */
+ hdr->flags--;
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ hdr->flags++;
+
+ hdr->size--;
+ ut_asserteq(-EFBIG, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ hdr->size++;
+
+ hdr->spare++;
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ hdr->spare--;
+
+ hdr->chksum++;
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ hdr->chksum--;
+
+ /* Make sure the checksum changes when we add blobs */
+ data = bloblist_add(TEST_TAG, TEST_SIZE);
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+
+ data2 = bloblist_add(TEST_TAG2, TEST_SIZE2);
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ ut_assertok(bloblist_finish());
+
+ /* It should also change if we change the data */
+ ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ *data += 1;
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ *data -= 1;
+
+ ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ *data2 += 1;
+ ut_asserteq(-EIO, bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ *data2 -= 1;
+
+ /*
+ * Changing data outside the range of valid data should not affect
+ * the checksum.
+ */
+ ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+ data[TEST_SIZE]++;
+ data2[TEST_SIZE2]++;
+ ut_assertok(bloblist_check(TEST_ADDR, TEST_BLOBLIST_SIZE));
+
+ return 0;
+}
+
+BLOBLIST_TEST(bloblist_test_checksum, 0);
+
+int do_ut_bloblist(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+{
+ struct unit_test *tests = ll_entry_start(struct unit_test,
+ bloblist_test);
+ const int n_ents = ll_entry_count(struct unit_test, bloblist_test);
+
+ return cmd_ut_category("bloblist", tests, n_ents, argc, argv);
+}
diff --git a/test/cmd_ut.c b/test/cmd_ut.c
index b7e01a4847e..56924a52726 100644
--- a/test/cmd_ut.c
+++ b/test/cmd_ut.c
@@ -55,6 +55,8 @@ static cmd_tbl_t cmd_ut_sub[] = {
#ifdef CONFIG_SANDBOX
U_BOOT_CMD_MKENT(compression, CONFIG_SYS_MAXARGS, 1, do_ut_compression,
"", ""),
+ U_BOOT_CMD_MKENT(bloblist, CONFIG_SYS_MAXARGS, 1, do_ut_bloblist,
+ "", ""),
#endif
};
@@ -97,6 +99,7 @@ static int do_ut(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
static char ut_help_text[] =
"all - execute all enabled tests\n"
#ifdef CONFIG_SANDBOX
+ "ut bloblist - Test bloblist implementation\n"
"ut compression - Test compressors and bootm decompression\n"
#endif
#ifdef CONFIG_UT_DM
--
2.19.1.1215.g8438c0b245-goog
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