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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-19 10:09:22 -0700
commitf4cdf7ca9a1fdcca413157df19753f388a5a224e (patch)
tree60a31895b2446cd7fa27514e8c2843534a0de0da /lib/tests/glob_kunit.c
downloadlinux-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/tests/glob_kunit.c')
-rw-r--r--lib/tests/glob_kunit.c125
1 files changed, 125 insertions, 0 deletions
diff --git a/lib/tests/glob_kunit.c b/lib/tests/glob_kunit.c
new file mode 100644
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+++ b/lib/tests/glob_kunit.c
@@ -0,0 +1,125 @@
+// SPDX-License-Identifier: MIT OR GPL-2.0
+/*
+ * Test cases for glob functions.
+ */
+
+#include <kunit/test.h>
+#include <linux/glob.h>
+#include <linux/module.h>
+
+/**
+ * struct glob_test_case - Test case for glob matching.
+ * @pat: Pattern to match.
+ * @str: String to match against.
+ * @expected: Expected glob_match result, true if matched.
+ */
+struct glob_test_case {
+ const char *pat;
+ const char *str;
+ bool expected;
+};
+
+static const struct glob_test_case glob_test_cases[] = {
+ /* Some basic tests */
+ { .pat = "a", .str = "a", .expected = true },
+ { .pat = "a", .str = "b", .expected = false },
+ { .pat = "a", .str = "aa", .expected = false },
+ { .pat = "a", .str = "", .expected = false },
+ { .pat = "", .str = "", .expected = true },
+ { .pat = "", .str = "a", .expected = false },
+ /* Simple character class tests */
+ { .pat = "[a]", .str = "a", .expected = true },
+ { .pat = "[a]", .str = "b", .expected = false },
+ { .pat = "[!a]", .str = "a", .expected = false },
+ { .pat = "[!a]", .str = "b", .expected = true },
+ { .pat = "[ab]", .str = "a", .expected = true },
+ { .pat = "[ab]", .str = "b", .expected = true },
+ { .pat = "[ab]", .str = "c", .expected = false },
+ { .pat = "[!ab]", .str = "c", .expected = true },
+ { .pat = "[a-c]", .str = "b", .expected = true },
+ { .pat = "[a-c]", .str = "d", .expected = false },
+ /* Corner cases in character class parsing */
+ { .pat = "[a-c-e-g]", .str = "-", .expected = true },
+ { .pat = "[a-c-e-g]", .str = "d", .expected = false },
+ { .pat = "[a-c-e-g]", .str = "f", .expected = true },
+ { .pat = "[]a-ceg-ik[]", .str = "a", .expected = true },
+ { .pat = "[]a-ceg-ik[]", .str = "]", .expected = true },
+ { .pat = "[]a-ceg-ik[]", .str = "[", .expected = true },
+ { .pat = "[]a-ceg-ik[]", .str = "h", .expected = true },
+ { .pat = "[]a-ceg-ik[]", .str = "f", .expected = false },
+ { .pat = "[!]a-ceg-ik[]", .str = "h", .expected = false },
+ { .pat = "[!]a-ceg-ik[]", .str = "]", .expected = false },
+ { .pat = "[!]a-ceg-ik[]", .str = "f", .expected = true },
+ /* Simple wild cards */
+ { .pat = "?", .str = "a", .expected = true },
+ { .pat = "?", .str = "aa", .expected = false },
+ { .pat = "??", .str = "a", .expected = false },
+ { .pat = "?x?", .str = "axb", .expected = true },
+ { .pat = "?x?", .str = "abx", .expected = false },
+ { .pat = "?x?", .str = "xab", .expected = false },
+ /* Asterisk wild cards (backtracking) */
+ { .pat = "*??", .str = "a", .expected = false },
+ { .pat = "*??", .str = "ab", .expected = true },
+ { .pat = "*??", .str = "abc", .expected = true },
+ { .pat = "*??", .str = "abcd", .expected = true },
+ { .pat = "??*", .str = "a", .expected = false },
+ { .pat = "??*", .str = "ab", .expected = true },
+ { .pat = "??*", .str = "abc", .expected = true },
+ { .pat = "??*", .str = "abcd", .expected = true },
+ { .pat = "?*?", .str = "a", .expected = false },
+ { .pat = "?*?", .str = "ab", .expected = true },
+ { .pat = "?*?", .str = "abc", .expected = true },
+ { .pat = "?*?", .str = "abcd", .expected = true },
+ { .pat = "*b", .str = "b", .expected = true },
+ { .pat = "*b", .str = "ab", .expected = true },
+ { .pat = "*b", .str = "ba", .expected = false },
+ { .pat = "*b", .str = "bb", .expected = true },
+ { .pat = "*b", .str = "abb", .expected = true },
+ { .pat = "*b", .str = "bab", .expected = true },
+ { .pat = "*bc", .str = "abbc", .expected = true },
+ { .pat = "*bc", .str = "bc", .expected = true },
+ { .pat = "*bc", .str = "bbc", .expected = true },
+ { .pat = "*bc", .str = "bcbc", .expected = true },
+ /* Multiple asterisks (complex backtracking) */
+ { .pat = "*ac*", .str = "abacadaeafag", .expected = true },
+ { .pat = "*ac*ae*ag*", .str = "abacadaeafag", .expected = true },
+ { .pat = "*a*b*[bc]*[ef]*g*", .str = "abacadaeafag", .expected = true },
+ { .pat = "*a*b*[ef]*[cd]*g*", .str = "abacadaeafag", .expected = false },
+ { .pat = "*abcd*", .str = "abcabcabcabcdefg", .expected = true },
+ { .pat = "*ab*cd*", .str = "abcabcabcabcdefg", .expected = true },
+ { .pat = "*abcd*abcdef*", .str = "abcabcdabcdeabcdefg", .expected = true },
+ { .pat = "*abcd*", .str = "abcabcabcabcefg", .expected = false },
+ { .pat = "*ab*cd*", .str = "abcabcabcabcefg", .expected = false },
+};
+
+static void glob_case_to_desc(const struct glob_test_case *t, char *desc)
+{
+ snprintf(desc, KUNIT_PARAM_DESC_SIZE, "pat:\"%s\" str:\"%s\"", t->pat, t->str);
+}
+
+KUNIT_ARRAY_PARAM(glob, glob_test_cases, glob_case_to_desc);
+
+static void glob_test_match(struct kunit *test)
+{
+ const struct glob_test_case *params = test->param_value;
+
+ KUNIT_EXPECT_EQ_MSG(test,
+ glob_match(params->pat, params->str),
+ params->expected,
+ "Pattern: \"%s\", String: \"%s\", Expected: %d",
+ params->pat, params->str, params->expected);
+}
+
+static struct kunit_case glob_kunit_test_cases[] = {
+ KUNIT_CASE_PARAM(glob_test_match, glob_gen_params),
+ {}
+};
+
+static struct kunit_suite glob_test_suite = {
+ .name = "glob",
+ .test_cases = glob_kunit_test_cases,
+};
+
+kunit_test_suite(glob_test_suite);
+MODULE_DESCRIPTION("Test cases for glob functions");
+MODULE_LICENSE("Dual MIT/GPL");