Most tests yay

tests/advancedstack.rs

@@ -0,0 +1,69 @@
+extern crate rustijvm;
+
+fn steps(machine: &mut rustijvm::Machine, num: usize) {
+    for _ in 0..num {
+        machine.step().unwrap();
+    }
+}
+
+#[test]
+fn advancedstack_100() {
+    let mut machine = rustijvm::Machine::new_from_file("files/advanced/teststack.ijvm").unwrap();
+
+    steps(&mut machine, 1);
+    steps(&mut machine, 2 * 100);
+    assert_eq!(machine.get_tos(), Ok(0x2));
+}
+
+#[test]
+fn advancedstack_3000() {
+    let mut machine = rustijvm::Machine::new_from_file("files/advanced/teststack.ijvm").unwrap();
+
+    steps(&mut machine, 1);
+    steps(&mut machine, 2 * 3000);
+    assert_eq!(machine.get_tos(), Ok(0x2));
+}
+
+#[test]
+fn advancedstack_50000() {
+    let mut machine = rustijvm::Machine::new_from_file("files/advanced/teststack.ijvm").unwrap();
+
+    steps(&mut machine, 1);
+    steps(&mut machine, 2 * 50000);
+    assert_eq!(machine.get_tos(), Ok(0x2));
+}
+
+#[test]
+fn advancedstack_contents() {
+    let mut machine = rustijvm::Machine::new_from_file("files/advanced/teststack.ijvm").unwrap();
+
+    steps(&mut machine, 1);
+    steps(&mut machine, 2 * 100);
+
+    let stack = machine.cur_stack();
+    let size = stack.len();
+    assert!(size >= 100);
+
+    let markers = (0..size).filter(|i| { stack.get(*i) == 0x2 }).count();
+    assert!(markers >= 99);
+}
+
+#[test]
+fn advancedstack_method() {
+    let mut machine = rustijvm::Machine::new_from_file("files/advanced/teststack2.ijvm").unwrap();
+
+    steps(&mut machine, 8);
+    {
+        let stack = machine.cur_stack();
+        let markers = (0..stack.len()).filter(|i| { stack.get(*i) == 0x2 }).count();
+        assert_eq!(markers, 4);
+    }
+
+    steps(&mut machine, 1);
+    steps(&mut machine, 2 * 5000);
+    {
+        let stack = machine.cur_stack();
+        let markers = (0..stack.len()).filter(|i| { stack.get(*i) == 0x2 }).count();
+        assert!(markers > 4000);
+    }
+}