Merge branch 'main' into main

5 files changed, 242 insertions, 1 deletions

diff --git a/tests/std/test_direct_array_iteration.zc b/tests/std/test_direct_array_iteration.zc
new file mode 100644
index 0000000..359951f
--- /dev/null
+++ b/tests/std/test_direct_array_iteration.zc
@@ -0,0 +1,37 @@
+import "std/slice.zc"
+
+test "direct array iteration" {
+    let arr: int[5] = [1, 2, 3, 4, 5];
+    
+    let sum = 0;
+    for val in arr {
+        sum = sum + val;
+    }
+    
+    assert(sum == 15, "Sum should be 1+2+3+4+5 = 15");
+}
+
+test "direct array iteration with different types" {
+    let floats: float[3] = [1.5, 2.5, 3.0];
+    let count = 0;
+    
+    for f in floats {
+        count = count + 1;
+    }
+    
+    assert(count == 3, "Should iterate over all 3 elements");
+}
+
+// TODO: Nested array iteration needs special handling
+// test "nested array iteration" {
+//     let matrix: int[2][3] = [[1, 2, 3], [4, 5, 6]];
+//     let total = 0;
+//     
+//     for row in matrix {
+//         for val in row {
+//             total = total + val;
+//         }
+//     }
+//     
+//     assert(total == 21, "Sum should be 1+2+3+4+5+6 = 21");
+// }
diff --git a/tests/std/test_env.zc b/tests/std/test_env.zc
index 25d5bc1..4b68712 100644
--- a/tests/std/test_env.zc
+++ b/tests/std/test_env.zc
@@ -30,7 +30,7 @@ test "test_std_env_get_dup" {
     assert(env_var.is_some(), "env_var should have a value");
 
     let value = env_var.unwrap();
-    assert(value.c_str() == "ok3", "value should be ok3");
+    assert(strcmp(value.c_str(), "ok3") == 0, "value should be ok3");
 
     value.free();
 
diff --git a/tests/std/test_json_serialization.zc b/tests/std/test_json_serialization.zc
new file mode 100644
index 0000000..9fd5b32
--- /dev/null
+++ b/tests/std/test_json_serialization.zc
@@ -0,0 +1,149 @@
+import "std/json.zc"
+import "std/io.zc"
+
+test "primitives" {
+    // Null
+    let v = JsonValue::null();
+    let s = v.to_string();
+    let expected = String::from("null");
+    if (!s.eq(&expected)) {
+        panic("Null serialization failed");
+    }
+    expected.free();
+    s.free();
+
+    // Bool True
+    v = JsonValue::bool(true);
+    s = v.to_string();
+    expected = String::from("true");
+    if (!s.eq(&expected)) {
+        panic("Bool true serialization failed");
+    }
+    expected.free();
+    s.free();
+
+    // Bool False
+    v = JsonValue::bool(false);
+    s = v.to_string();
+    expected = String::from("false");
+    if (!s.eq(&expected)) {
+        panic("Bool false serialization failed");
+    }
+    expected.free();
+    s.free();
+
+    // Number Int
+    v = JsonValue::number(123.0);
+    s = v.to_string();
+    expected = String::from("123");
+    if (!s.eq(&expected)) {
+         println "{s.c_str()}";
+         panic("Number 123 serialization failed");
+    }
+    expected.free();
+    s.free();
+
+    // Number Float
+    v = JsonValue::number(12.5);
+    s = v.to_string();
+    expected = String::from("12.5");
+    if (!s.eq(&expected)) {
+         panic("Number 12.5 serialization failed");
+    }
+    expected.free();
+    s.free();
+
+    // String Simple
+    v = JsonValue::string("hello");
+    s = v.to_string();
+    expected = String::from("\"hello\"");
+    if (!s.eq(&expected)) {
+         println "{s.c_str()}";
+         panic("String hello serialization failed");
+    }
+    expected.free();
+    s.free();
+
+    // String Escaped
+    v = JsonValue::string("hello \"world\"");
+    s = v.to_string();
+    expected = String::from("\"hello \\\"world\\\"\"");
+    if (!s.eq(&expected)) {
+         println "Got: {s.c_str()}";
+         panic("String escaped serialization failed");
+    }
+    expected.free();
+    s.free();
+}
+
+test "array" {
+    let v = JsonValue::array();
+    v.push(JsonValue::number(1.0));
+    v.push(JsonValue::bool(true));
+    v.push(JsonValue::string("a"));
+    
+    let s = v.to_string();
+    let expected = String::from("[1,true,\"a\"]");
+    if (!s.eq(&expected)) {
+         println "Got: {s.c_str()}";
+         panic("Array serialization failed");
+    }
+    expected.free();
+    s.free();
+}
+
+test "object" {
+    let v = JsonValue::object();
+    v.set("key", JsonValue::string("value"));
+    
+    let s = v.to_string();
+    // Round trip verification to avoid parser bug with literals
+    let parsed_res = JsonValue::parse(s.c_str());
+    if (parsed_res.is_err()) {
+        panic("Object round trip parse failed");
+    }
+    let parsed = parsed_res.unwrap();
+    if (!parsed.is_object()) panic("Round trip not object");
+    
+    let val_opt = (*parsed).get_string("key");
+    if (val_opt.is_none()) panic("Round trip missing 'key'");
+    
+    let val_str = val_opt.unwrap();
+    if (strcmp(val_str, "value") != 0) panic("Round trip wrong value");
+
+    // Cleanup
+    (*parsed).free();
+    free(parsed);
+    s.free();
+}
+
+test "nested" {
+    // {"arr":[1,2]}
+    let v = JsonValue::object();
+    let arr = JsonValue::array();
+    arr.push(JsonValue::number(1.0));
+    arr.push(JsonValue::number(2.0));
+    v.set("arr", arr);
+    
+    let s = v.to_string();
+    
+    // Round trip
+    let parsed_res = JsonValue::parse(s.c_str());
+    if (parsed_res.is_err()) {
+        panic("Round trip parse failed");
+    }
+    let parsed = parsed_res.unwrap();
+    if (!parsed.is_object()) panic("Round trip type mismatch");
+    
+    let arr_opt = (*parsed).get_array("arr");
+    if (arr_opt.is_none()) panic("Round trip missing arr");
+    
+    let arr_ptr = arr_opt.unwrap();
+    if (!(*arr_ptr).is_array()) panic("Inner not array");
+    if ((*arr_ptr).len() != 2) panic("Wrong array length");
+    
+    // Cleanup
+    (*parsed).free();
+    free(parsed);
+    s.free();
+}
\ No newline at end of file
diff --git a/tests/std/test_process.zc b/tests/std/test_process.zc
new file mode 100644
index 0000000..a3ba6ce
--- /dev/null
+++ b/tests/std/test_process.zc
@@ -0,0 +1,26 @@
+
+import "std/process.zc";
+import "std/string.zc";
+
+test "process output" {
+    let cmd = Command::new("echo");
+    cmd.arg("hello");
+    
+    let out = cmd.output();
+    
+    assert(out.exit_code == 0);
+    // echo usually outputs newline
+    assert(out.stdout.contains('h')); 
+    assert(out.stdout.contains('e'));
+    assert(out.stdout.contains('l'));
+    assert(out.stdout.contains('o'));
+    
+    // out is dropped automatically
+    // cmd is dropped automatically
+}
+
+test "process status" {
+    let cmd = Command::new("true"); // true command returns 0
+    let status = cmd.status();
+    assert(status == 0);
+}
diff --git a/tests/std/test_slice_iteration.zc b/tests/std/test_slice_iteration.zc
new file mode 100644
index 0000000..b7eddf4
--- /dev/null
+++ b/tests/std/test_slice_iteration.zc
@@ -0,0 +1,29 @@
+import "std/slice.zc"
+import "std/io.zc"
+
+test "slice from array iteration" {
+    let ints: int[5] = [1, 2, 3, 4, 5];
+    let slice = Slice<int>::from_array((int*)(&ints), 5);
+    
+    // Test iteration
+    let sum = 0;
+    for val in slice {
+        sum = sum + val;
+    }
+    
+    if (sum != 15) {
+        panic("Slice iteration failed: expected sum 15");
+    }
+}
+
+test "slice methods" {
+    let arr: int[3] = [10, 20, 30];
+    let slice = Slice<int>::from_array((int*)(&arr), 3);
+    
+    if (slice.length() != 3) panic("Slice length wrong");
+    if (slice.is_empty()) panic("Slice should not be empty");
+    
+    let opt = slice.get(1);
+    if (opt.is_none()) panic("Slice get failed");
+    if (opt.unwrap() != 20) panic("Slice get returned wrong value");
+}