feat(tests): add tests for lab and pc;

src/tests/lab_and_pc.rs

@@ -0,0 +1,34 @@
+use arbitrary_int::{u12, u6};
+
+use crate::{compilation::compile_to_binary, emulation::InteractiveState, utils::tuple_as_u12};
+
+#[test]
+fn pc() {
+    let mut state = InteractiveState::new();
+    let mc_result = compile_to_binary("PC 0 32");
+    assert_eq!(mc_result.diagnostics.len(), 0);
+    state.memory.store_array(0, &mc_result.binary);
+    state.consume_instruction();
+    assert_eq!(state.program_counter.as_tuple(), (u6::new(0), u6::new(32)));
+}
+
+#[test]
+fn lab() {
+    let mc_result = compile_to_binary("LAB ZERO\nNOP\nNOP\nLAB TWO");
+    assert_eq!(mc_result.diagnostics.len(), 0);
+    assert_eq!(mc_result.symbol_table.get("ZERO"), Some(&u12::new(0)));
+    assert_eq!(mc_result.symbol_table.get("TWO"), Some(&u12::new(2)));
+}
+
+#[test]
+fn pc_to_lab() {
+    let mut state = InteractiveState::new();
+    let mc_result = compile_to_binary("PC TEST\nNOP\nLAB TEST");
+    assert_eq!(mc_result.diagnostics.len(), 0);
+    state.memory.store_array(0, &mc_result.binary);
+    state.consume_instruction();
+    assert_eq!(
+        Some(&tuple_as_u12(state.program_counter.as_tuple())),
+        mc_result.symbol_table.get("TEST")
+    );
+}

src/tests/mod.rs

@@ -1,3 +1,4 @@
 mod halt_and_nop;
+mod lab_and_pc;
 mod or_and_nor;
 mod shift_and_rotate;