Tests

mist-test/src/common/decl_test.mist

@@ -0,0 +1,81 @@
+pub void test_let_basic() {
+    let x = 42;
+    assert_eq!(x, 42);
+}
+
+pub void test_let_typed() {
+    Int x = 42;
+    assert_eq!(x, 42);
+
+    String s = "hello";
+    assert_eq!(s, "hello");
+
+    Bool b = true;
+    assert_eq!(b, true);
+
+    Float f = 3.14;
+    assert_eq!(f, 3.14);
+}
+
+pub void test_let_mut() {
+    let mut x = 42;
+    x = 100;
+    assert_eq!(x, 100);
+}
+
+pub void test_let_tuple_destructure() {
+    let [a, b] = (10, "hello");
+    assert_eq!(a, 10);
+    assert_eq!(b, "hello");
+}
+
+pub void test_let_nested_tuple() {
+    let [a, [b, c]] = (1, (2, 3));
+    assert_eq!(a, 1);
+    assert_eq!(b, 2);
+    assert_eq!(c, 3);
+}
+
+pub void test_let_pattern_irrefutable() {
+    let x = 5;
+    let [y, z] = (1, 2);
+    assert_eq!(x, 5);
+    assert_eq!(y, 1);
+    assert_eq!(z, 2);
+}
+
+pub void test_multiple_decls() {
+    let a = 1;
+    let b = 2;
+    let c = 3;
+    assert_eq!(a + b + c, 6);
+}
+
+pub void test_let_with_type_and_init() {
+    Int x = 10;
+    assert_eq!(x, 10);
+}
+
+pub void test_string_literal() {
+    let s = "hello, world!";
+    assert_eq!(s.len(), 13);
+}
+
+pub void test_let_bool() {
+    let t = true;
+    let f = false;
+    assert_eq!(t, !f);
+}
+
+pub void run_tests() {
+    test_let_basic();
+    test_let_typed();
+    test_let_mut();
+    test_let_tuple_destructure();
+    test_let_nested_tuple();
+    test_let_pattern_irrefutable();
+    test_multiple_decls();
+    test_let_with_type_and_init();
+    test_string_literal();
+    test_let_bool();
+}