From 26a7561196674b39f9adadcb374f36c503361adb Mon Sep 17 00:00:00 2001
From: Dennis Kobert <dennis@kobert.dev>
Date: Sat, 9 Nov 2019 15:11:50 +0100
Subject: Add basic tests

---
 kernel/tests/boot.rs           | 38 ++++++++++++++++++++++++++++++++++++++
 kernel/tests/int3.rs           | 32 ++++++++++++++++++++++++++++++++
 kernel/tests/stack_overflow.rs | 37 +++++++++++++++++++++++++++++++++++++
 kernel/tests/test01.rs         | 25 -------------------------
 4 files changed, 107 insertions(+), 25 deletions(-)
 create mode 100644 kernel/tests/boot.rs
 create mode 100644 kernel/tests/int3.rs
 create mode 100644 kernel/tests/stack_overflow.rs
 delete mode 100644 kernel/tests/test01.rs

(limited to 'kernel/tests')

diff --git a/kernel/tests/boot.rs b/kernel/tests/boot.rs
new file mode 100644
index 0000000..534199a
--- /dev/null
+++ b/kernel/tests/boot.rs
@@ -0,0 +1,38 @@
+#![no_main]
+#![feature(compiler_builtins_lib)]
+#![feature(custom_test_frameworks)]
+#![feature(abi_x86_interrupt)]
+#![feature(panic_info_message)]
+#![test_runner(kernel::testing::serial_test_runner)]
+#![reexport_test_harness_main = "test_main"]
+#![no_std]
+
+use kernel;
+use kernel::io::qemu;
+
+#[no_mangle]
+extern "C" fn _start() -> ! {
+    kernel::init();
+    test_main();
+
+    loop {}
+}
+
+#[test_case]
+fn boot() {
+    assert!(true)
+}
+
+#[test_case]
+fn poweroff() {
+    qemu::exit_qemu(qemu::QemuExitCode::Success);
+    panic!("Qemu did not exit");
+}
+
+#[cfg(test)]
+#[panic_handler]
+#[no_mangle]
+extern "C" fn panic_handler(info: &core::panic::PanicInfo) -> ! {
+    kernel::testing::serial_panic(info);
+    loop {}
+}
diff --git a/kernel/tests/int3.rs b/kernel/tests/int3.rs
new file mode 100644
index 0000000..771c17d
--- /dev/null
+++ b/kernel/tests/int3.rs
@@ -0,0 +1,32 @@
+#![no_main]
+#![feature(compiler_builtins_lib)]
+#![feature(custom_test_frameworks)]
+#![feature(abi_x86_interrupt)]
+#![feature(panic_info_message)]
+#![test_runner(kernel::testing::serial_test_runner)]
+#![reexport_test_harness_main = "test_main"]
+#![no_std]
+
+use kernel;
+use kernel::io::qemu;
+
+#[no_mangle]
+extern "C" fn _start() -> ! {
+    kernel::init();
+    test_main();
+
+    loop {}
+}
+
+#[test_case]
+fn breakpoint() {
+    x86_64::instructions::interrupts::int3();
+}
+
+#[cfg(test)]
+#[panic_handler]
+#[no_mangle]
+extern "C" fn panic_handler(info: &core::panic::PanicInfo) -> ! {
+    kernel::testing::serial_should_panic(info);
+    loop {}
+}
diff --git a/kernel/tests/stack_overflow.rs b/kernel/tests/stack_overflow.rs
new file mode 100644
index 0000000..677a9e1
--- /dev/null
+++ b/kernel/tests/stack_overflow.rs
@@ -0,0 +1,37 @@
+#![no_main]
+#![feature(compiler_builtins_lib)]
+#![feature(custom_test_frameworks)]
+#![feature(abi_x86_interrupt)]
+#![feature(panic_info_message)]
+#![test_runner(kernel::testing::serial_test_runner_panic)]
+#![no_std]
+
+use core::fmt::Write;
+use kernel;
+use kernel::io::qemu;
+
+#[no_mangle]
+extern "C" fn _start() -> ! {
+    kernel::init();
+    _loop(0);
+
+    loop {}
+}
+
+fn _loop(i: u128) -> u128 {
+    if i > 1u128 << 83 {
+        return i;
+    }
+    let n = i;
+    let mut stdout = kernel::OStream::new();
+    write!(&mut stdout, "{:x}", &n as *const u128 as u128).unwrap();
+    _loop(i + 1)
+}
+
+#[cfg(test)]
+#[panic_handler]
+#[no_mangle]
+extern "C" fn panic_handler(info: &core::panic::PanicInfo) -> ! {
+    kernel::testing::serial_should_panic(info);
+    loop {}
+}
diff --git a/kernel/tests/test01.rs b/kernel/tests/test01.rs
deleted file mode 100644
index 933d689..0000000
--- a/kernel/tests/test01.rs
+++ /dev/null
@@ -1,25 +0,0 @@
-#![no_main]
-#![feature(compiler_builtins_lib)]
-#![feature(custom_test_frameworks)]
-#![feature(abi_x86_interrupt)]
-#![feature(panic_info_message)]
-#![test_runner(crate::testing::serial_test_runner)]
-#![no_std]
-
-use kernel;
-use kernel::io::qemu;
-
-#[no_mangle]
-extern "C" fn _start() -> ! {
-    kernel::io::panic_screen::show(Some(&format_args!("hey bro")));
-
-
-    loop {}
-}
-
-#[cfg(test)]
-#[panic_handler]
-#[no_mangle]
-extern "C" fn panic_handler(info: &core::panic::PanicInfo) -> ! {
-    loop {}
-}
-- 
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