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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2026-08-19 10:09:22 -0700 |
| commit | f4cdf7ca9a1fdcca413157df19753f388a5a224e (patch) | |
| tree | 60a31895b2446cd7fa27514e8c2843534a0de0da /lib/kunit/assert.c | |
| download | linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.tar.gz linux-stable-f4cdf7ca9a1fdcca413157df19753f388a5a224e.zip | |
Merge tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-mediagrafted
Pull media updates from Mauro Carvalho Chehab:
- v4l2-core: added ISP statistics support and per-block validation
- v4l2-core: Allow unknown HDR10 white point and luminance
- New camera sensors: Sony IMX678 and IMX471m, Himax HM1092 IR sensor
- New codec: Milos: VPU v2.0 codec support
- isp driver: gained support for Dreamchip RPPX1 ISP framework
- vsp1 driver: gained support for RZ/T2H and RZ/N2H
- Novalake driver: gained CVS support for new NVL hardware
- dvb-core: fix feed leak on failed DMX_ADD_PID
- several driver fixes, cleanups and minor improvements
* tag 'media/v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (308 commits)
media: ipu-bridge: check all DMI entries when overriding sensor rotation
media: v4l2-async: avoid deleting unlinked ASC entry on link error
media: rzg2l-cru: Align bytesperline to hardware DMA stride requirement
media: intel/ipu6: fix async notifier cleanup leak on parse error
media: staging/ipu7: fix async notifier UAF on probe error path
media: amd: isp4: fix self-deadlock in isp4sd_pwron_and_init() error path
media: amd: isp4: release partial allocations in isp4if_alloc_fw_gpumem()
media: rcar-isp: Fix VSPX reference leaks
media: rcar-isp: Release ISPCORE resources
media: i2c: imx415: Release runtime PM reference on VBLANK error
media: i2c: imx415: Return test pattern write errors
media: renesas: vsp1: Declare index variables in for loop statement
media: renesas: vsp1: Make reset control optional to support platforms without a reset line
media: dt-bindings: media: renesas,vsp1: Document RZ/T2H and RZ/N2H SoCs
media: dt-bindings: media: renesas,fcp: Document RZ/T2H and RZ/N2H SoCs
media: nxp: imx8-isi: Add additional 32-bit RGB format support
media: nxp: imx8-isi: Add 16-bit raw Bayer format support
media: nxp: imx8-isi: Implement per-stream reference counting for multiplexed streams
media: nxp: imx8-isi: Use BIT_ULL() for 64-bit stream masks
media: nxp: imx8-isi: Correct color map between V4L2 and ISI
...
Diffstat (limited to 'lib/kunit/assert.c')
| -rw-r--r-- | lib/kunit/assert.c | 275 |
1 files changed, 275 insertions, 0 deletions
diff --git a/lib/kunit/assert.c b/lib/kunit/assert.c new file mode 100644 index 000000000..4c751ad85 --- /dev/null +++ b/lib/kunit/assert.c @@ -0,0 +1,275 @@ +// 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 <kunit/visibility.h> + +#include "string-stream.h" + +void kunit_assert_prologue(const struct kunit_loc *loc, + enum kunit_assert_type type, + struct string_stream *stream) +{ + const char *expect_or_assert = NULL; + + switch (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, loc->file, loc->line); +} +EXPORT_SYMBOL_GPL(kunit_assert_prologue); + +VISIBLE_IF_KUNIT +void kunit_assert_print_msg(const struct va_format *message, + struct string_stream *stream) +{ + if (message->fmt) + string_stream_add(stream, "\n%pV", message); +} + +void kunit_fail_assert_format(const struct kunit_assert *assert, + const struct va_format *message, + struct string_stream *stream) +{ + string_stream_add(stream, "%pV", message); +} +EXPORT_SYMBOL_GPL(kunit_fail_assert_format); + +void kunit_unary_assert_format(const struct kunit_assert *assert, + const struct va_format *message, + struct string_stream *stream) +{ + const struct kunit_unary_assert *unary_assert; + + unary_assert = container_of(assert, struct kunit_unary_assert, assert); + + 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(message, stream); +} +EXPORT_SYMBOL_GPL(kunit_unary_assert_format); + +void kunit_ptr_not_err_assert_format(const struct kunit_assert *assert, + const struct va_format *message, + struct string_stream *stream) +{ + const struct kunit_ptr_not_err_assert *ptr_assert; + + ptr_assert = container_of(assert, struct kunit_ptr_not_err_assert, + assert); + + 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(message, stream); +} +EXPORT_SYMBOL_GPL(kunit_ptr_not_err_assert_format); + +/* Checks if `text` is a literal representing `value`, e.g. "5" and 5 */ +VISIBLE_IF_KUNIT bool is_literal(const char *text, long long value) +{ + char *buffer; + int len; + bool ret; + + len = snprintf(NULL, 0, "%lld", value); + if (strlen(text) != len) + return false; + + buffer = kmalloc(len+1, GFP_KERNEL); + if (!buffer) + return false; + + snprintf(buffer, len+1, "%lld", value); + ret = strncmp(buffer, text, len) == 0; + + kfree(buffer); + + return ret; +} + +void kunit_binary_assert_format(const struct kunit_assert *assert, + const struct va_format *message, + struct string_stream *stream) +{ + const struct kunit_binary_assert *binary_assert; + + binary_assert = container_of(assert, struct kunit_binary_assert, + assert); + + string_stream_add(stream, + KUNIT_SUBTEST_INDENT "Expected %s %s %s, but\n", + binary_assert->text->left_text, + binary_assert->text->operation, + binary_assert->text->right_text); + if (!is_literal(binary_assert->text->left_text, binary_assert->left_value)) + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %lld (0x%llx)\n", + binary_assert->text->left_text, + binary_assert->left_value, + binary_assert->left_value); + if (!is_literal(binary_assert->text->right_text, binary_assert->right_value)) + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %lld (0x%llx)", + binary_assert->text->right_text, + binary_assert->right_value, + binary_assert->right_value); + kunit_assert_print_msg(message, stream); +} +EXPORT_SYMBOL_GPL(kunit_binary_assert_format); + +void kunit_binary_ptr_assert_format(const struct kunit_assert *assert, + const struct va_format *message, + struct string_stream *stream) +{ + const struct kunit_binary_ptr_assert *binary_assert; + + binary_assert = container_of(assert, struct kunit_binary_ptr_assert, + assert); + + string_stream_add(stream, + KUNIT_SUBTEST_INDENT "Expected %s %s %s, but\n", + binary_assert->text->left_text, + binary_assert->text->operation, + binary_assert->text->right_text); + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %px\n", + binary_assert->text->left_text, + binary_assert->left_value); + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == %px", + binary_assert->text->right_text, + binary_assert->right_value); + kunit_assert_print_msg(message, stream); +} +EXPORT_SYMBOL_GPL(kunit_binary_ptr_assert_format); + +/* Checks if KUNIT_EXPECT_STREQ() args were string literals. + * Note: `text` will have ""s where as `value` will not. + */ +VISIBLE_IF_KUNIT bool is_str_literal(const char *text, const char *value) +{ + int len; + + len = strlen(text); + if (len < 2) + return false; + if (text[0] != '\"' || text[len - 1] != '\"') + return false; + + return strncmp(text + 1, value, len - 2) == 0; +} + +void kunit_binary_str_assert_format(const struct kunit_assert *assert, + const struct va_format *message, + struct string_stream *stream) +{ + const struct kunit_binary_str_assert *binary_assert; + + binary_assert = container_of(assert, struct kunit_binary_str_assert, + assert); + + string_stream_add(stream, + KUNIT_SUBTEST_INDENT "Expected %s %s %s, but\n", + binary_assert->text->left_text, + binary_assert->text->operation, + binary_assert->text->right_text); + if (!is_str_literal(binary_assert->text->left_text, binary_assert->left_value)) + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == \"%s\"\n", + binary_assert->text->left_text, + binary_assert->left_value); + if (!is_str_literal(binary_assert->text->right_text, binary_assert->right_value)) + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s == \"%s\"", + binary_assert->text->right_text, + binary_assert->right_value); + kunit_assert_print_msg(message, stream); +} +EXPORT_SYMBOL_GPL(kunit_binary_str_assert_format); + +/* Adds a hexdump of a buffer to a string_stream comparing it with + * a second buffer. The different bytes are marked with <>. + */ +VISIBLE_IF_KUNIT +void kunit_assert_hexdump(struct string_stream *stream, + const void *buf, + const void *compared_buf, + const size_t len) +{ + size_t i; + const u8 *buf1 = buf; + const u8 *buf2 = compared_buf; + + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT); + + for (i = 0; i < len; ++i) { + if (!(i % 16) && i) + string_stream_add(stream, "\n" KUNIT_SUBSUBTEST_INDENT); + + if (buf1[i] != buf2[i]) + string_stream_add(stream, "<%02x>", buf1[i]); + else + string_stream_add(stream, " %02x ", buf1[i]); + } +} + +void kunit_mem_assert_format(const struct kunit_assert *assert, + const struct va_format *message, + struct string_stream *stream) +{ + const struct kunit_mem_assert *mem_assert; + + mem_assert = container_of(assert, struct kunit_mem_assert, + assert); + + if (!mem_assert->left_value) { + string_stream_add(stream, + KUNIT_SUBTEST_INDENT "Expected %s is not null, but is\n", + mem_assert->text->left_text); + } else if (!mem_assert->right_value) { + string_stream_add(stream, + KUNIT_SUBTEST_INDENT "Expected %s is not null, but is\n", + mem_assert->text->right_text); + } else { + string_stream_add(stream, + KUNIT_SUBTEST_INDENT "Expected %s %s %s, but\n", + mem_assert->text->left_text, + mem_assert->text->operation, + mem_assert->text->right_text); + + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s ==\n", + mem_assert->text->left_text); + kunit_assert_hexdump(stream, mem_assert->left_value, + mem_assert->right_value, mem_assert->size); + + string_stream_add(stream, "\n"); + + string_stream_add(stream, KUNIT_SUBSUBTEST_INDENT "%s ==\n", + mem_assert->text->right_text); + kunit_assert_hexdump(stream, mem_assert->right_value, + mem_assert->left_value, mem_assert->size); + + kunit_assert_print_msg(message, stream); + } +} +EXPORT_SYMBOL_GPL(kunit_mem_assert_format); |
