[fdt][test] Add integration test for libfdt
Bug: 282928116
Test: atest liblibfdt.integration_test
Change-Id: Ic9a59bf4ee4d925e028e7d2043d648fad93aa85d
diff --git a/TEST_MAPPING b/TEST_MAPPING
index 3217ee1..cc413b4 100644
--- a/TEST_MAPPING
+++ b/TEST_MAPPING
@@ -70,6 +70,9 @@
"path": "packages/modules/Virtualization/libs/devicemapper"
},
{
+ "path": "packages/modules/Virtualization/libs/libfdt"
+ },
+ {
"path": "packages/modules/Virtualization/libs/vbmeta"
},
{
diff --git a/libs/libfdt/Android.bp b/libs/libfdt/Android.bp
index 5a729f1..55cb01b 100644
--- a/libs/libfdt/Android.bp
+++ b/libs/libfdt/Android.bp
@@ -44,3 +44,25 @@
],
apex_available: ["com.android.virt"],
}
+
+rust_test {
+ name: "liblibfdt.integration_test",
+ crate_name: "libfdt_test",
+ srcs: ["tests/*.rs"],
+ test_suites: ["general-tests"],
+ data: [
+ ":fdt_data_test_tree1_dtb",
+ ],
+ prefer_rlib: true,
+ rustlibs: [
+ "liblibfdt",
+ ],
+}
+
+genrule {
+ name: "fdt_data_test_tree1_dtb",
+ tools: ["dtc"],
+ srcs: ["tests/data/test_tree1.dts"],
+ out: ["data/test_tree1.dtb"],
+ cmd: "$(location dtc) -O dtb -I dts -o $(out) $(in)",
+}
diff --git a/libs/libfdt/TEST_MAPPING b/libs/libfdt/TEST_MAPPING
new file mode 100644
index 0000000..596f84b
--- /dev/null
+++ b/libs/libfdt/TEST_MAPPING
@@ -0,0 +1,7 @@
+{
+ "avf-presubmit": [
+ {
+ "name": "liblibfdt.integration_test"
+ }
+ ]
+}
diff --git a/libs/libfdt/src/lib.rs b/libs/libfdt/src/lib.rs
index df1058e..91214b3 100644
--- a/libs/libfdt/src/lib.rs
+++ b/libs/libfdt/src/lib.rs
@@ -191,7 +191,7 @@
}
/// DT node.
-#[derive(Clone, Copy)]
+#[derive(Clone, Copy, Debug)]
pub struct FdtNode<'a> {
fdt: &'a Fdt,
offset: c_int,
@@ -599,6 +599,7 @@
}
/// Wrapper around low-level libfdt functions.
+#[derive(Debug)]
#[repr(transparent)]
pub struct Fdt {
buffer: [u8],
diff --git a/libs/libfdt/tests/api_test.rs b/libs/libfdt/tests/api_test.rs
new file mode 100644
index 0000000..d0feb98
--- /dev/null
+++ b/libs/libfdt/tests/api_test.rs
@@ -0,0 +1,33 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//! Integration tests of the library libfdt.
+
+use libfdt::Fdt;
+use std::fs;
+use std::ops::Range;
+
+const TEST_TREE1_PATH: &str = "data/test_tree1.dtb";
+
+#[test]
+fn parse_well_formed_fdt_successfully() {
+ let data = fs::read(TEST_TREE1_PATH).unwrap();
+ let fdt = Fdt::from_slice(&data).unwrap();
+
+ const EXPECTED_FIRST_MEMORY_RANGE: Range<usize> = 0..256;
+ let mut memory = fdt.memory().unwrap().unwrap();
+ assert_eq!(memory.next(), Some(EXPECTED_FIRST_MEMORY_RANGE));
+}
diff --git a/libs/libfdt/tests/data/test_tree1.dts b/libs/libfdt/tests/data/test_tree1.dts
new file mode 100644
index 0000000..222b0b1
--- /dev/null
+++ b/libs/libfdt/tests/data/test_tree1.dts
@@ -0,0 +1,43 @@
+/dts-v1/;
+
+/memreserve/ 0x0000000000000000 0x000000000000000e;
+/ {
+ model = "MyBoardName";
+ compatible = "MyBoardName", "MyBoardFamilyName";
+ #address-cells = <0x1>;
+ #size-cells = <0x1>;
+
+ cpus {
+ linux,phandle = <0x1>;
+ #address-cells = <0x1>;
+ #size-cells = <0x0>;
+
+ PowerPC,970@0 {
+ device_type = "cpu";
+ reg = <0x0>;
+ linux,boot-cpu;
+ };
+
+ PowerPC,970@1 {
+ device_type = "cpu";
+ reg = <0x1>;
+ };
+ };
+
+ randomnode {
+ string = "foo", "stuff";
+ bytes = [61 62 63 64 65];
+ nbytes = [80 ff];
+
+ child {
+ };
+ };
+
+ memory {
+ device_type = "memory";
+ reg = <0x0 0x100>;
+ };
+
+ chosen {
+ };
+};