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kunit: test: add tests for kunit test abort

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Add KUnit tests for the KUnit test abort mechanism (see preceding
commit). Add tests both for general try catch mechanism as well as
non-architecture specific mechanism.

Signed-off-by: Brendan Higgins <brendanhiggins@google.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Logan Gunthorpe <logang@deltatee.com>
Reviewed-by: Stephen Boyd <sboyd@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
This commit is contained in:
Brendan Higgins 2019-09-23 02:02:40 -07:00 committed by Shuah Khan
parent 5f3e062089
commit e4eb117f61
2 changed files with 108 additions and 1 deletions
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3
lib/kunit/Makefile
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@ -3,6 +3,7 @@ obj-$(CONFIG_KUNIT) += test.o \
assert.o \
try-catch.o
obj-$(CONFIG_KUNIT_TEST) += string-stream-test.o
obj-$(CONFIG_KUNIT_TEST) += test-test.o \
string-stream-test.o
obj-$(CONFIG_KUNIT_EXAMPLE_TEST) += example-test.o

106
lib/kunit/test-test.c Normal file
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@ -0,0 +1,106 @@
// SPDX-License-Identifier: GPL-2.0
/*
* KUnit test for core test infrastructure.
*
* Copyright (C) 2019, Google LLC.
* Author: Brendan Higgins <brendanhiggins@google.com>
*/
#include <kunit/test.h>
struct kunit_try_catch_test_context {
struct kunit_try_catch *try_catch;
bool function_called;
};
static void kunit_test_successful_try(void *data)
{
struct kunit *test = data;
struct kunit_try_catch_test_context *ctx = test->priv;
ctx->function_called = true;
}
static void kunit_test_no_catch(void *data)
{
struct kunit *test = data;
KUNIT_FAIL(test, "Catch should not be called\n");
}
static void kunit_test_try_catch_successful_try_no_catch(struct kunit *test)
{
struct kunit_try_catch_test_context *ctx = test->priv;
struct kunit_try_catch *try_catch = ctx->try_catch;
kunit_try_catch_init(try_catch,
test,
kunit_test_successful_try,
kunit_test_no_catch);
kunit_try_catch_run(try_catch, test);
KUNIT_EXPECT_TRUE(test, ctx->function_called);
}
static void kunit_test_unsuccessful_try(void *data)
{
struct kunit *test = data;
struct kunit_try_catch_test_context *ctx = test->priv;
struct kunit_try_catch *try_catch = ctx->try_catch;
kunit_try_catch_throw(try_catch);
KUNIT_FAIL(test, "This line should never be reached\n");
}
static void kunit_test_catch(void *data)
{
struct kunit *test = data;
struct kunit_try_catch_test_context *ctx = test->priv;
ctx->function_called = true;
}
static void kunit_test_try_catch_unsuccessful_try_does_catch(struct kunit *test)
{
struct kunit_try_catch_test_context *ctx = test->priv;
struct kunit_try_catch *try_catch = ctx->try_catch;
kunit_try_catch_init(try_catch,
test,
kunit_test_unsuccessful_try,
kunit_test_catch);
kunit_try_catch_run(try_catch, test);
KUNIT_EXPECT_TRUE(test, ctx->function_called);
}
static int kunit_try_catch_test_init(struct kunit *test)
{
struct kunit_try_catch_test_context *ctx;
ctx = kunit_kzalloc(test, sizeof(*ctx), GFP_KERNEL);
if (!ctx)
return -ENOMEM;
test->priv = ctx;
ctx->try_catch = kunit_kmalloc(test,
sizeof(*ctx->try_catch),
GFP_KERNEL);
if (!ctx->try_catch)
return -ENOMEM;
return 0;
}
static struct kunit_case kunit_try_catch_test_cases[] = {
KUNIT_CASE(kunit_test_try_catch_successful_try_no_catch),
KUNIT_CASE(kunit_test_try_catch_unsuccessful_try_does_catch),
{}
};
static struct kunit_suite kunit_try_catch_test_suite = {
.name = "kunit-try-catch-test",
.init = kunit_try_catch_test_init,
.test_cases = kunit_try_catch_test_cases,
};
kunit_test_suite(kunit_try_catch_test_suite);