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-rw-r--r--lib/kunit/assert.c152
1 files changed, 152 insertions, 0 deletions
diff --git a/lib/kunit/assert.c b/lib/kunit/assert.c
new file mode 100644
index 000000000..33acdaa28
--- /dev/null
+++ b/lib/kunit/assert.c
@@ -0,0 +1,152 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Assertion and expectation serialization API.
+ *
+ * Copyright (C) 2019, Google LLC.
+ * Author: Brendan Higgins <brendanhiggins@google.com>
+ */
+#include <kunit/assert.h>
+#include <kunit/test.h>
+
+#include "string-stream.h"
+
+void kunit_base_assert_format(const struct kunit_assert *assert,
+ struct string_stream *stream)
+{
+ const char *expect_or_assert = NULL;
+
+ switch (assert->type) {
+ case KUNIT_EXPECTATION:
+ expect_or_assert = "EXPECTATION";
+ break;
+ case KUNIT_ASSERTION:
+ expect_or_assert = "ASSERTION";
+ break;
+ }
+
+ string_stream_add(stream, "%s FAILED at %s:%d\n",
+ expect_or_assert, assert->file, assert->line);
+}
+EXPORT_SYMBOL_GPL(kunit_base_assert_format);
+
+void kunit_assert_print_msg(const struct kunit_assert *assert,
+ struct string_stream *stream)
+{
+ if (assert->message.fmt)
+ string_stream_add(stream, "\n%pV", &assert->message);
+}
+EXPORT_SYMBOL_GPL(kunit_assert_print_msg);
+
+void kunit_fail_assert_format(const struct kunit_assert *assert,
+ struct string_stream *stream)
+{
+ kunit_base_assert_format(assert, stream);
+ string_stream_add(stream, "%pV", &assert->message);
+}
+EXPORT_SYMBOL_GPL(kunit_fail_assert_format);
+
+void kunit_unary_assert_format(const struct kunit_assert *assert,
+ struct string_stream *stream)
+{
+ struct kunit_unary_assert *unary_assert = container_of(
+ assert, struct kunit_unary_assert, assert);
+
+ kunit_base_assert_format(assert, stream);
+ if (unary_assert->expected_true)
+ string_stream_add(stream,
+ KUNIT_SUBTEST_INDENT "Expected %s to be true, but is false\n",
+ unary_assert->condition);
+ else
+ string_stream_add(stream,
+ KUNIT_SUBTEST_INDENT "Expected %s to be false, but is true\n",
+ unary_assert->condition);
+ kunit_assert_print_msg(assert, stream);
+}
+EXPORT_SYMBOL_GPL(kunit_unary_assert_format);
+
+void kunit_ptr_not_err_assert_format(const struct kunit_assert *assert,
+ struct string_stream *stream)
+{
+ struct kunit_ptr_not_err_assert *ptr_assert = container_of(
+ assert, struct kunit_ptr_not_err_assert, assert);
+
+ kunit_base_assert_format(assert, stream);
+ if (!ptr_assert->value) {
+ string_stream_add(stream,
+ KUNIT_SUBTEST_INDENT "Expected %s is not null, but is\n",
+ ptr_assert->text);
+ } else if (IS_ERR(ptr_assert->value)) {
+ string_stream_add(stream,
+ KUNIT_SUBTEST_INDENT "Expected %s is not error, but is: %ld\n",
+ ptr_assert->text,
+ PTR_ERR(ptr_assert->value));
+ }
+ kunit_assert_print_msg(assert, stream);
+}
+EXPORT_SYMBOL_GPL(kunit_ptr_not_err_assert_format);
+
+void kunit_binary_assert_format(const struct kunit_assert *assert,
+ struct string_stream *stream)
+{
+ struct kunit_binary_assert *binary_assert = container_of(
+ assert, struct kunit_binary_assert, assert);
+
+ kunit_base_assert_format(assert, stream);
+ string_stream_add(stream,
+ KUNIT_SUBTEST_INDENT "Expected %s %s %s, but\n",
+ binary_assert->left_text,
+ binary_assert->operation,
+ binary_assert->right_text);
+ string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %lld\n",
+ binary_assert->left_text,
+ binary_assert->left_value);
+ string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %lld",
+ binary_assert->right_text,
+ binary_assert->right_value);
+ kunit_assert_print_msg(assert, stream);
+}
+EXPORT_SYMBOL_GPL(kunit_binary_assert_format);
+
+void kunit_binary_ptr_assert_format(const struct kunit_assert *assert,
+ struct string_stream *stream)
+{
+ struct kunit_binary_ptr_assert *binary_assert = container_of(
+ assert, struct kunit_binary_ptr_assert, assert);
+
+ kunit_base_assert_format(assert, stream);
+ string_stream_add(stream,
+ KUNIT_SUBTEST_INDENT "Expected %s %s %s, but\n",
+ binary_assert->left_text,
+ binary_assert->operation,
+ binary_assert->right_text);
+ string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %px\n",
+ binary_assert->left_text,
+ binary_assert->left_value);
+ string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %px",
+ binary_assert->right_text,
+ binary_assert->right_value);
+ kunit_assert_print_msg(assert, stream);
+}
+EXPORT_SYMBOL_GPL(kunit_binary_ptr_assert_format);
+
+void kunit_binary_str_assert_format(const struct kunit_assert *assert,
+ struct string_stream *stream)
+{
+ struct kunit_binary_str_assert *binary_assert = container_of(
+ assert, struct kunit_binary_str_assert, assert);
+
+ kunit_base_assert_format(assert, stream);
+ string_stream_add(stream,
+ KUNIT_SUBTEST_INDENT "Expected %s %s %s, but\n",
+ binary_assert->left_text,
+ binary_assert->operation,
+ binary_assert->right_text);
+ string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %s\n",
+ binary_assert->left_text,
+ binary_assert->left_value);
+ string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %s",
+ binary_assert->right_text,
+ binary_assert->right_value);
+ kunit_assert_print_msg(assert, stream);
+}
+EXPORT_SYMBOL_GPL(kunit_binary_str_assert_format);