Add break continue

tests/test_basic.cpp

@@ -148,3 +148,72 @@ TEST_CASE("interpreter performance: simple loop", "[perf][script]") {
         REQUIRE(r_num->value == 499500.0);
     };
 }
+
+TEST_CASE("loop break", "[script][loop]") {
+    State state;
+    const char* script = R"(
+        number sum = 0;
+        for (number i = 0; i < 10; i = i + 1) {
+            if (i == 5) {
+                break;
+            }
+            sum = sum + i;
+        }
+    )";
+
+    REQUIRE(state.do_string(script));
+    auto sum_val = state.get_global("sum");
+    REQUIRE(sum_val);
+    auto sum_num = std::dynamic_pointer_cast<NumberValue>(sum_val);
+    REQUIRE(sum_num->value == 10.0); // 0+1+2+3+4 = 10
+}
+
+TEST_CASE("loop continue", "[script][loop]") {
+    State state;
+    const char* script = R"(
+        number sum = 0;
+        for (number i = 0; i < 5; i = i + 1) {
+            if (i == 2) {
+                continue;
+            }
+            sum = sum + i;
+        }
+    )";
+
+    REQUIRE(state.do_string(script));
+    auto sum_val = state.get_global("sum");
+    REQUIRE(sum_val);
+    auto sum_num = std::dynamic_pointer_cast<NumberValue>(sum_val);
+    REQUIRE(sum_num->value == 8.0); // 0+1+3+4 = 8
+}
+
+TEST_CASE("while break and continue", "[script][loop]") {
+    State state;
+    const char* script = R"(
+        number i = 0;
+        number sum = 0;
+        while (i < 10) {
+            i = i + 1;
+            if (i == 3) {
+                continue;
+            }
+            if (i == 6) {
+                break;
+            }
+            sum = sum + i;
+        }
+    )";
+
+    REQUIRE(state.do_string(script));
+    auto sum_val = state.get_global("sum");
+    REQUIRE(sum_val);
+    auto sum_num = std::dynamic_pointer_cast<NumberValue>(sum_val);
+    REQUIRE(sum_num->value == 12.0); 
+    // 1st iter: i=1, sum=1
+    // 2nd iter: i=2, sum=1+2=3
+    // 3rd iter: i=3, continue
+    // 4th iter: i=4, sum=3+4=7
+    // 5th iter: i=5, sum=7+5=12
+    // 6th iter: i=6, break
+    // Result should be 12.0
+}