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authorLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2026-08-24 08:46:03 -0700
commitcf9610f9116d55c5a66ef9f1faecacabd93a9322 (patch)
tree757a3d280760c654767631cab5ad8af2d86d1848 /fs/hfs/string_test.c
downloadlinux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.tar.gz
linux-stable-cf9610f9116d55c5a66ef9f1faecacabd93a9322.zip
Merge tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrlgrafted
Pull pin control updates from Linus Walleij: "Core changes: - Use the non-blocking mux_state_try_select() in the generic MUX pin control back-end - Free pin maps on pinctrl_generic_to_map() failure in the core helpers New hardware pin control: - Qualcomm Maili TLMM SoC, PMG1110 PMIC, and Eliza LPASS LPI TLMM SoC (this is for the low power audio, LPASS = Low Power Audio SubSystem portions) - Upboard support on top of the Intel pin controller - Apple T6030 and T6031 support (just compatible strings) - Samsung Exynos 8855 SoC - Mediatek MT6858 SoC - Rockchip RK3308B and RV1106 SoCs - Airoha EN7523 and AN7563 SoCs Improvements: - Qualcomm TLMM GPIOs are unconditionally marked as wakeup capable - Qualcomm improvements on top of the Qualcomm PDC (power domain controller) irqchip improvements from tglx:s tree - Qualcomm IPQ806x and IPQ9650 non-urgent pin grop fixups - The NPCM8xx driver has been put into shape fixing many pin and group definitions - Some non-urgent Tegra 264 pin assignments are fixed up - Some non-urgent fixups to Airoha AN7581 and AN7583 registers and pin assignments, missing features etc" * tag 'pinctrl-v7.3-1' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl: (130 commits) dt-bindings: pinctrl: Convert TI DA850 pupd to DT schema pinctrl: meson: sync some modify from A4 pinctrl: meson: a4: Add input enable pin configuration pinctrl: realtek: rtd1625: remove unused group name spdif_sel pinctrl: realtek: rtd1625: fix base_bit for VE4 GPIO 13 dt-bindings: pinctrl: microchip,pic32mzda-pinctrl: Convert to DT schema Revert "Merge branch 'ib-rsk7204' into devel" pinctrl: rockchip: Add RV1106 pinctrl support dt-bindings: pinctrl: rockchip: Add RV1106 compatible pinctrl: rockchip: Decode drive strength in the get function pinctrl: fix PINCTRL_GENERIC_MUX not always being selectable pinctrl: airoha: add support of an7563 SoC dt-bindings: pinctrl: airoha: add support of an7563 pin controller pinctrl: airoha: try to find chip scu node by phandle first pinctrl: airoha: add support of en7523 SoC dt-bindings: pinctrl: airoha: add support of en7523 pin controller pinctrl: airoha: an7583: add support for olt pinmux pinctrl: airoha: an7583: add support for pon_alt pinmux pinctrl: airoha: an7583: add support for npu_uart pinmux dt-bindings: pinctrl: airoha: an7583: add missed features ...
Diffstat (limited to 'fs/hfs/string_test.c')
-rw-r--r--fs/hfs/string_test.c133
1 files changed, 133 insertions, 0 deletions
diff --git a/fs/hfs/string_test.c b/fs/hfs/string_test.c
new file mode 100644
index 000000000..e1bf6f954
--- /dev/null
+++ b/fs/hfs/string_test.c
@@ -0,0 +1,133 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * KUnit tests for HFS string operations
+ *
+ * Copyright (C) 2025 Viacheslav Dubeyko <slava@dubeyko.com>
+ */
+
+#include <kunit/test.h>
+#include <linux/dcache.h>
+#include "hfs_fs.h"
+
+/* Test hfs_strcmp function */
+static void hfs_strcmp_test(struct kunit *test)
+{
+ /* Test equal strings */
+ KUNIT_EXPECT_EQ(test, 0, hfs_strcmp("hello", 5, "hello", 5));
+ KUNIT_EXPECT_EQ(test, 0, hfs_strcmp("test", 4, "test", 4));
+ KUNIT_EXPECT_EQ(test, 0, hfs_strcmp("", 0, "", 0));
+
+ /* Test unequal strings */
+ KUNIT_EXPECT_NE(test, 0, hfs_strcmp("hello", 5, "world", 5));
+ KUNIT_EXPECT_NE(test, 0, hfs_strcmp("test", 4, "testing", 7));
+
+ /* Test different lengths */
+ KUNIT_EXPECT_LT(test, hfs_strcmp("test", 4, "testing", 7), 0);
+ KUNIT_EXPECT_GT(test, hfs_strcmp("testing", 7, "test", 4), 0);
+
+ /* Test case insensitive comparison (HFS should handle case) */
+ KUNIT_EXPECT_EQ(test, 0, hfs_strcmp("Test", 4, "TEST", 4));
+ KUNIT_EXPECT_EQ(test, 0, hfs_strcmp("hello", 5, "HELLO", 5));
+
+ /* Test with special characters */
+ KUNIT_EXPECT_EQ(test, 0, hfs_strcmp("file.txt", 8, "file.txt", 8));
+ KUNIT_EXPECT_NE(test, 0, hfs_strcmp("file.txt", 8, "file.dat", 8));
+
+ /* Test boundary cases */
+ KUNIT_EXPECT_EQ(test, 0, hfs_strcmp("a", 1, "a", 1));
+ KUNIT_EXPECT_NE(test, 0, hfs_strcmp("a", 1, "b", 1));
+}
+
+/* Test hfs_hash_dentry function */
+static void hfs_hash_dentry_test(struct kunit *test)
+{
+ struct qstr test_name1, test_name2, test_name3;
+ struct dentry dentry = {};
+ char name1[] = "testfile";
+ char name2[] = "TestFile";
+ char name3[] = "different";
+
+ /* Initialize test strings */
+ test_name1.name = name1;
+ test_name1.len = strlen(name1);
+ test_name1.hash = 0;
+
+ test_name2.name = name2;
+ test_name2.len = strlen(name2);
+ test_name2.hash = 0;
+
+ test_name3.name = name3;
+ test_name3.len = strlen(name3);
+ test_name3.hash = 0;
+
+ /* Test hashing */
+ KUNIT_EXPECT_EQ(test, 0, hfs_hash_dentry(&dentry, &test_name1));
+ KUNIT_EXPECT_EQ(test, 0, hfs_hash_dentry(&dentry, &test_name2));
+ KUNIT_EXPECT_EQ(test, 0, hfs_hash_dentry(&dentry, &test_name3));
+
+ /* Case insensitive names should hash the same */
+ KUNIT_EXPECT_EQ(test, test_name1.hash, test_name2.hash);
+
+ /* Different names should have different hashes */
+ KUNIT_EXPECT_NE(test, test_name1.hash, test_name3.hash);
+}
+
+/* Test hfs_compare_dentry function */
+static void hfs_compare_dentry_test(struct kunit *test)
+{
+ struct qstr test_name;
+ struct dentry dentry = {};
+ char name[] = "TestFile";
+
+ test_name.name = name;
+ test_name.len = strlen(name);
+
+ /* Test exact match */
+ KUNIT_EXPECT_EQ(test, 0, hfs_compare_dentry(&dentry, 8,
+ "TestFile", &test_name));
+
+ /* Test case insensitive match */
+ KUNIT_EXPECT_EQ(test, 0, hfs_compare_dentry(&dentry, 8,
+ "testfile", &test_name));
+ KUNIT_EXPECT_EQ(test, 0, hfs_compare_dentry(&dentry, 8,
+ "TESTFILE", &test_name));
+
+ /* Test different names */
+ KUNIT_EXPECT_EQ(test, 1, hfs_compare_dentry(&dentry, 8,
+ "DiffFile", &test_name));
+
+ /* Test different lengths */
+ KUNIT_EXPECT_EQ(test, 1, hfs_compare_dentry(&dentry, 7,
+ "TestFil", &test_name));
+ KUNIT_EXPECT_EQ(test, 1, hfs_compare_dentry(&dentry, 9,
+ "TestFiles", &test_name));
+
+ /* Test empty string */
+ test_name.name = "";
+ test_name.len = 0;
+ KUNIT_EXPECT_EQ(test, 0, hfs_compare_dentry(&dentry, 0, "", &test_name));
+
+ /* Test HFS_NAMELEN boundary */
+ test_name.name = "This_is_a_very_long_filename_that_exceeds_normal_limits";
+ test_name.len = strlen(test_name.name);
+ KUNIT_EXPECT_EQ(test, 0, hfs_compare_dentry(&dentry, HFS_NAMELEN,
+ "This_is_a_very_long_filename_th", &test_name));
+}
+
+static struct kunit_case hfs_string_test_cases[] = {
+ KUNIT_CASE(hfs_strcmp_test),
+ KUNIT_CASE(hfs_hash_dentry_test),
+ KUNIT_CASE(hfs_compare_dentry_test),
+ {}
+};
+
+static struct kunit_suite hfs_string_test_suite = {
+ .name = "hfs_string",
+ .test_cases = hfs_string_test_cases,
+};
+
+kunit_test_suite(hfs_string_test_suite);
+
+MODULE_DESCRIPTION("KUnit tests for HFS string operations");
+MODULE_LICENSE("GPL");
+MODULE_IMPORT_NS("EXPORTED_FOR_KUNIT_TESTING");