// Phase 166: JsonParserBox 単体テスト - String parsing
// Goal: Validate JsonParserBox can parse simple JSON strings through JoinIR

using "tools/hako_shared/json_parser.hako" with JsonParserBox

static box Main {
  main(args) {
    print("=== JsonParserBox String Parsing Tests ===")

    // Test 1: Simple string
    print("Test 1: Simple string")
    local json1 = "\"hello\""
    local result1 = JsonParserBox.parse(json1)
    if result1 == null {
      print("  FAIL: parse returned null")
      return 1
    }
    if result1 == "hello" {
      print("  PASS: got 'hello'")
    } else {
      print("  FAIL: expected 'hello', got different value")
      return 1
    }

    // Test 2: String with escape sequences
    print("Test 2: String with escapes (\\n, \\t)")
    local json2 = "\"line1\\nline2\""
    local result2 = JsonParserBox.parse(json2)
    if result2 == null {
      print("  FAIL: parse returned null")
      return 1
    }
    // Result should contain newline
    print("  PASS: escape sequences parsed")

    // Test 3: Empty string
    print("Test 3: Empty string")
    local json3 = "\"\""
    local result3 = JsonParserBox.parse(json3)
    if result3 == null {
      print("  FAIL: parse returned null")
      return 1
    }
    if result3 == "" {
      print("  PASS: got empty string")
    } else {
      print("  FAIL: expected empty string")
      return 1
    }

    print("=== All String Tests PASSED ===")
    return 0
  }
}