--- /dev/null
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * efi_selftest_unicode_collation
+ *
+ * Copyright (c) 2018 Heinrich Schuchardt <xypron.glpk@gmx.de>
+ *
+ * Test unicode collation protocol.
+ */
+
+#include <efi_selftest.h>
+
+static const efi_guid_t unicode_collation_protocol_guid =
+ EFI_UNICODE_COLLATION_PROTOCOL2_GUID;
+
+static struct efi_boot_services *boottime;
+
+static struct efi_unicode_collation_protocol *unicode_collation_protocol;
+
+/**
+ * setup() - setup unit test.
+ *
+ * @handle: handle of the loaded image
+ * @systable: system table
+ * ReturnValue: EFI_ST_SUCCESS for success
+ */
+static int setup(const efi_handle_t handle,
+ const struct efi_system_table *systable)
+{
+ efi_status_t ret;
+
+ boottime = systable->boottime;
+
+ ret = boottime->locate_protocol(&unicode_collation_protocol_guid, NULL,
+ (void **)&unicode_collation_protocol);
+ if (ret != EFI_SUCCESS) {
+ unicode_collation_protocol = NULL;
+ efi_st_error("Unicode collation protocol is not available.\n");
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+static int test_stri_coll(void)
+{
+ efi_intn_t ret;
+ u16 c1[] = L"first";
+ u16 c2[] = L"FIRST";
+ u16 c3[] = L"second";
+
+ ret = unicode_collation_protocol->stri_coll(unicode_collation_protocol,
+ c1, c2);
+ if (ret) {
+ efi_st_error(
+ "stri_coll(\"%ps\", \"%ps\") = %zu\n", c1, c2, ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->stri_coll(unicode_collation_protocol,
+ c1, c3);
+ if (ret >= 0) {
+ efi_st_error(
+ "stri_coll(\"%ps\", \"%ps\") = %zu\n", c1, c3, ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->stri_coll(unicode_collation_protocol,
+ c3, c1);
+ if (ret <= 0) {
+ efi_st_error(
+ "stri_coll(\"%ps\", \"%ps\") = %zu\n", c3, c1, ret);
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+static int test_metai_match(void)
+{
+ bool ret;
+ const u16 c[] = L"Das U-Boot";
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"*");
+ if (!ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"Da[rstu] U-Boot");
+ if (!ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"Da[q-v] U-Boot");
+ if (!ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"Da? U-Boot");
+ if (!ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"D*Bo*t");
+ if (!ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"Da[xyz] U-Boot");
+ if (ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"Da[a-d] U-Boot");
+ if (ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"Da?? U-Boot");
+ if (ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ ret = unicode_collation_protocol->metai_match(
+ unicode_collation_protocol, c, L"D*Bo*tt");
+ if (ret) {
+ efi_st_error("metai_match returned %u\n", ret);
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+static int test_str_lwr(void)
+{
+ u16 c[] = L"U-Boot";
+
+ unicode_collation_protocol->str_lwr(unicode_collation_protocol, c);
+ if (efi_st_strcmp_16_8(c, "u-boot")) {
+ efi_st_error("str_lwr returned \"%ps\"\n", c);
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+static int test_str_upr(void)
+{
+ u16 c[] = L"U-Boot";
+
+ unicode_collation_protocol->str_upr(unicode_collation_protocol, c);
+ if (efi_st_strcmp_16_8(c, "U-BOOT")) {
+ efi_st_error("str_lwr returned \"%ps\"\n", c);
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+static int test_fat_to_str(void)
+{
+ u16 str[16];
+
+ boottime->set_mem(str, sizeof(str), 0);
+ unicode_collation_protocol->fat_to_str(unicode_collation_protocol, 6,
+ "U-BOOT", str);
+ if (efi_st_strcmp_16_8(str, "U-BOOT")) {
+ efi_st_error("fat_to_str returned \"%ps\"\n", str);
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+static int test_str_to_fat(void)
+{
+ char fat[16];
+ bool ret;
+
+ boottime->set_mem(fat, sizeof(fat), 0);
+ ret = unicode_collation_protocol->str_to_fat(unicode_collation_protocol,
+ L"U -Boo.t", 6, fat);
+ if (ret || efi_st_strcmp_16_8(L"U-BOOT", fat)) {
+ efi_st_error("str_to_fat returned %u, \"%s\"\n", ret, fat);
+ return EFI_ST_FAILURE;
+ }
+
+ boottime->set_mem(fat, 16, 0);
+ ret = unicode_collation_protocol->str_to_fat(unicode_collation_protocol,
+ L"U\\Boot", 6, fat);
+ if (!ret || efi_st_strcmp_16_8(L"U_BOOT", fat)) {
+ efi_st_error("str_to_fat returned %u, \"%s\"\n", ret, fat);
+ return EFI_ST_FAILURE;
+ }
+
+ return EFI_ST_SUCCESS;
+}
+
+/**
+ * execute() - Execute unit test.
+ *
+ * ReturnValue: EFI_ST_SUCCESS for success
+ */
+static int execute(void)
+{
+ int ret;
+
+ if (!unicode_collation_protocol) {
+ efi_st_printf("Unicode collation protocol missing\n");
+ return EFI_ST_FAILURE;
+ }
+
+ ret = test_stri_coll();
+ if (ret != EFI_ST_SUCCESS)
+ return ret;
+
+ ret = test_metai_match();
+ if (ret != EFI_ST_SUCCESS)
+ return ret;
+
+ ret = test_str_lwr();
+ if (ret != EFI_ST_SUCCESS)
+ return ret;
+
+ ret = test_str_upr();
+ if (ret != EFI_ST_SUCCESS)
+ return ret;
+
+ ret = test_fat_to_str();
+ if (ret != EFI_ST_SUCCESS)
+ return ret;
+
+ ret = test_str_to_fat();
+ if (ret != EFI_ST_SUCCESS)
+ return ret;
+
+ return EFI_ST_SUCCESS;
+}
+
+EFI_UNIT_TEST(unicoll) = {
+ .name = "unicode collation",
+ .phase = EFI_EXECUTE_BEFORE_BOOTTIME_EXIT,
+ .execute = execute,
+ .setup = setup,
+};