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-rw-r--r--test/dm/acpigen.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/test/dm/acpigen.c b/test/dm/acpigen.c
index 822641afb0..cea1a62b95 100644
--- a/test/dm/acpigen.c
+++ b/test/dm/acpigen.c
@@ -993,3 +993,30 @@ static int dm_test_acpi_resource_template(struct unit_test_state *uts)
return 0;
}
DM_TEST(dm_test_acpi_resource_template, 0);
+
+/* Test writing a device */
+static int dm_test_acpi_device(struct unit_test_state *uts)
+{
+ struct acpi_ctx *ctx;
+ u8 *ptr;
+
+ ut_assertok(alloc_context(&ctx));
+ ptr = acpigen_get_current(ctx);
+
+ acpigen_write_device(ctx, "\\_SB." ACPI_TEST_DEV_NAME);
+ acpigen_pop_len(ctx);
+
+ ut_asserteq(EXT_OP_PREFIX, *ptr++);
+ ut_asserteq(DEVICE_OP, *ptr++);
+ ut_asserteq(0xd, acpi_test_get_length(ptr));
+ ptr += 3;
+ ut_asserteq(ROOT_PREFIX, *ptr++);
+ ut_asserteq(DUAL_NAME_PREFIX, *ptr++);
+ ptr += 8;
+ ut_asserteq_ptr(ptr, ctx->current);
+
+ free_context(&ctx);
+
+ return 0;
+}
+DM_TEST(dm_test_acpi_device, 0);