1 files changed, 612 insertions, 0 deletions
diff --git a/azalea-brigadier/tests/string_reader_test.rs b/azalea-brigadier/tests/string_reader_test.rs
new file mode 100755
index 00000000..5008eff8
--- /dev/null
+++ b/azalea-brigadier/tests/string_reader_test.rs
@@ -0,0 +1,612 @@
+use azalea_brigadier::{exceptions::BuiltInExceptions, string_reader::StringReader};
+
+#[test]
+fn can_read() {
+    let mut reader = StringReader::from("abc".to_string());
+    assert_eq!(reader.can_read(), true);
+    reader.skip(); // 'a'
+    assert_eq!(reader.can_read(), true);
+    reader.skip(); // 'b'
+    assert_eq!(reader.can_read(), true);
+    reader.skip(); // 'c'
+    assert_eq!(reader.can_read(), false);
+}
+
+#[test]
+fn get_remaining_length() {
+    let mut reader = StringReader::from("abc".to_string());
+    assert_eq!(reader.remaining_length(), 3);
+    reader.cursor = 1;
+    assert_eq!(reader.remaining_length(), 2);
+    reader.cursor = 2;
+    assert_eq!(reader.remaining_length(), 1);
+    reader.cursor = 3;
+    assert_eq!(reader.remaining_length(), 0);
+}
+
+#[test]
+fn can_read_length() {
+    let reader = StringReader::from("abc".to_string());
+    assert_eq!(reader.can_read_length(1), true);
+    assert_eq!(reader.can_read_length(2), true);
+    assert_eq!(reader.can_read_length(3), true);
+    assert_eq!(reader.can_read_length(4), false);
+    assert_eq!(reader.can_read_length(5), false);
+}
+
+#[test]
+fn peek() {
+    let mut reader = StringReader::from("abc".to_string());
+    assert_eq!(reader.peek(), 'a');
+    assert_eq!(reader.cursor(), 0);
+    reader.cursor = 2;
+    assert_eq!(reader.peek(), 'c');
+    assert_eq!(reader.cursor(), 2);
+}
+
+#[test]
+fn peek_length() {
+    let mut reader = StringReader::from("abc".to_string());
+    assert_eq!(reader.peek_offset(0), 'a');
+    assert_eq!(reader.peek_offset(2), 'c');
+    assert_eq!(reader.cursor(), 0);
+    reader.cursor = 1;
+    assert_eq!(reader.peek_offset(1), 'c');
+    assert_eq!(reader.cursor(), 1);
+}
+
+#[test]
+fn read() {
+    let mut reader = StringReader::from("abc".to_string());
+    assert_eq!(reader.read(), 'a');
+    assert_eq!(reader.read(), 'b');
+    assert_eq!(reader.read(), 'c');
+    assert_eq!(reader.cursor(), 3);
+}
+
+#[test]
+fn skip() {
+    let mut reader = StringReader::from("abc".to_string());
+    reader.skip();
+    assert_eq!(reader.cursor(), 1);
+}
+
+#[test]
+fn get_remaining() {
+    let mut reader = StringReader::from("Hello!".to_string());
+    assert_eq!(reader.remaining(), "Hello!");
+    reader.cursor = 3;
+    assert_eq!(reader.remaining(), "lo!");
+    reader.cursor = 6;
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn get_read() {
+    let mut reader = StringReader::from("Hello!".to_string());
+    assert_eq!(reader.get_read(), "");
+    reader.cursor = 3;
+    assert_eq!(reader.get_read(), "Hel");
+    reader.cursor = 6;
+    assert_eq!(reader.get_read(), "Hello!");
+}
+
+#[test]
+fn skip_whitespace_none() {
+    let mut reader = StringReader::from("Hello!".to_string());
+    reader.skip_whitespace();
+    assert_eq!(reader.cursor(), 0);
+}
+
+#[test]
+fn skip_whitespace_mixed() {
+    let mut reader = StringReader::from(" \t \t\nHello!".to_string());
+    reader.skip_whitespace();
+    assert_eq!(reader.cursor(), 5);
+}
+
+#[test]
+fn skip_whitespace_empty() {
+    let mut reader = StringReader::from("".to_string());
+    reader.skip_whitespace();
+    assert_eq!(reader.cursor(), 0);
+}
+
+#[test]
+fn read_unquoted_string() {
+    let mut reader = StringReader::from("hello world".to_string());
+    assert_eq!(reader.read_unquoted_string(), "hello");
+    assert_eq!(reader.get_read(), "hello");
+    assert_eq!(reader.remaining(), " world");
+}
+
+#[test]
+fn read_unquoted_string_empty() {
+    let mut reader = StringReader::from("".to_string());
+    assert_eq!(reader.read_unquoted_string(), "");
+    assert_eq!(reader.get_read(), "");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_unquoted_string_empty_with_remaining() {
+    let mut reader = StringReader::from(" hello world".to_string());
+    assert_eq!(reader.read_unquoted_string(), "");
+    assert_eq!(reader.get_read(), "");
+    assert_eq!(reader.remaining(), " hello world");
+}
+
+#[test]
+fn read_quoted_string() {
+    let mut reader = StringReader::from("\"hello world\"".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "hello world");
+    assert_eq!(reader.get_read(), "\"hello world\"");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_single_quoted_string() {
+    let mut reader = StringReader::from("'hello world'".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "hello world");
+    assert_eq!(reader.get_read(), "'hello world'");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_mixed_quoted_string_double_inside_single() {
+    let mut reader = StringReader::from("'hello \"world\"'".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "hello \"world\"");
+    assert_eq!(reader.get_read(), "'hello \"world\"'");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_mixed_quoted_string_single_inside_double() {
+    let mut reader = StringReader::from("\"hello 'world'\"".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "hello 'world'");
+    assert_eq!(reader.get_read(), "\"hello 'world'\"");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_quoted_string_empty_quoted() {
+    let mut reader = StringReader::from("".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "");
+    assert_eq!(reader.get_read(), "");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_quoted_string_empty_quoted_with_remaining() {
+    let mut reader = StringReader::from("\"\" hello world".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "");
+    assert_eq!(reader.get_read(), "\"\"");
+    assert_eq!(reader.remaining(), " hello world");
+}
+
+#[test]
+fn read_quoted_string_with_escaped_quote() {
+    let mut reader = StringReader::from("\"hello \\\"world\\\"\"".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "hello \"world\"");
+    assert_eq!(reader.get_read(), "\"hello \\\"world\\\"\"");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_quoted_string_with_escaped_escapes() {
+    let mut reader = StringReader::from("\"\\\\o/\"".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "\\o/");
+    assert_eq!(reader.get_read(), "\"\\\\o/\"");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_quoted_string_with_remaining() {
+    let mut reader = StringReader::from("\"hello world\" foo bar".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "hello world");
+    assert_eq!(reader.get_read(), "\"hello world\"");
+    assert_eq!(reader.remaining(), " foo bar");
+}
+
+#[test]
+fn read_quoted_string_with_immediate_remaining() {
+    let mut reader = StringReader::from("\"hello world\"foo bar".to_string());
+    assert_eq!(reader.read_quoted_string().unwrap(), "hello world");
+    assert_eq!(reader.get_read(), "\"hello world\"");
+    assert_eq!(reader.remaining(), "foo bar");
+}
+
+#[test]
+fn read_quoted_string_no_open() {
+    let mut reader = StringReader::from("hello world\"".to_string());
+    let result = reader.read_quoted_string();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(e.get_type(), &BuiltInExceptions::ReaderExpectedStartOfQuote);
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_quoted_string_no_close() {
+    let mut reader = StringReader::from("\"hello world".to_string());
+    let result = reader.read_quoted_string();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(e.get_type(), &BuiltInExceptions::ReaderExpectedEndOfQuote);
+        assert_eq!(e.cursor(), Some(12));
+    }
+}
+
+#[test]
+fn read_quoted_string_invalid_escape() {
+    let mut reader = StringReader::from("\"hello\\nworld\"".to_string());
+    let result = reader.read_quoted_string();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderInvalidEscape { character: 'n' }
+        );
+        assert_eq!(e.cursor(), Some(7));
+    }
+}
+
+#[test]
+fn read_quoted_string_invalid_quote_escape() {
+    let mut reader = StringReader::from("'hello\\\"\'world".to_string());
+    let result = reader.read_quoted_string();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderInvalidEscape { character: '"' }
+        );
+        assert_eq!(e.cursor(), Some(7));
+    }
+}
+
+#[test]
+fn read_string_no_quotes() {
+    let mut reader = StringReader::from("hello world".to_string());
+    assert_eq!(reader.read_string().unwrap(), "hello");
+    assert_eq!(reader.get_read(), "hello");
+    assert_eq!(reader.remaining(), " world");
+}
+
+#[test]
+fn read_string_single_quotes() {
+    let mut reader = StringReader::from("'hello world'".to_string());
+    assert_eq!(reader.read_string().unwrap(), "hello world");
+    assert_eq!(reader.get_read(), "'hello world'");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_string_double_quotes() {
+    let mut reader = StringReader::from("\"hello world\"".to_string());
+    assert_eq!(reader.read_string().unwrap(), "hello world");
+    assert_eq!(reader.get_read(), "\"hello world\"");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_int() {
+    let mut reader = StringReader::from("1234567890".to_string());
+    assert_eq!(reader.read_int().unwrap(), 1234567890);
+    assert_eq!(reader.get_read(), "1234567890");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_int_negative() {
+    let mut reader = StringReader::from("-1234567890".to_string());
+    assert_eq!(reader.read_int().unwrap(), -1234567890);
+    assert_eq!(reader.get_read(), "-1234567890");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_int_invalid() {
+    let mut reader = StringReader::from("12.34".to_string());
+    let result = reader.read_int();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderInvalidInt {
+                value: "12.34".to_string()
+            }
+        );
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_int_none() {
+    let mut reader = StringReader::from("".to_string());
+    let result = reader.read_int();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(e.get_type(), &BuiltInExceptions::ReaderExpectedInt);
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_int_with_remaining() {
+    let mut reader = StringReader::from("1234567890 foo bar".to_string());
+    assert_eq!(reader.read_int().unwrap(), 1234567890);
+    assert_eq!(reader.get_read(), "1234567890");
+    assert_eq!(reader.remaining(), " foo bar");
+}
+
+#[test]
+fn read_int_with_remaining_immediate() {
+    let mut reader = StringReader::from("1234567890foo bar".to_string());
+    assert_eq!(reader.read_int().unwrap(), 1234567890);
+    assert_eq!(reader.get_read(), "1234567890");
+    assert_eq!(reader.remaining(), "foo bar");
+}
+
+#[test]
+fn read_long() {
+    let mut reader = StringReader::from("1234567890".to_string());
+    assert_eq!(reader.read_long().unwrap(), 1234567890);
+    assert_eq!(reader.get_read(), "1234567890");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_long_negative() {
+    let mut reader = StringReader::from("-1234567890".to_string());
+    assert_eq!(reader.read_long().unwrap(), -1234567890);
+    assert_eq!(reader.get_read(), "-1234567890");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_long_invalid() {
+    let mut reader = StringReader::from("12.34".to_string());
+    let result = reader.read_long();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderInvalidLong {
+                value: "12.34".to_string()
+            }
+        );
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_long_none() {
+    let mut reader = StringReader::from("".to_string());
+    let result = reader.read_long();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(e.get_type(), &BuiltInExceptions::ReaderExpectedLong);
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_long_with_remaining() {
+    let mut reader = StringReader::from("1234567890 foo bar".to_string());
+    assert_eq!(reader.read_long().unwrap(), 1234567890);
+    assert_eq!(reader.get_read(), "1234567890");
+    assert_eq!(reader.remaining(), " foo bar");
+}
+
+#[test]
+fn read_long_with_remaining_immediate() {
+    let mut reader = StringReader::from("1234567890foo bar".to_string());
+    assert_eq!(reader.read_long().unwrap(), 1234567890);
+    assert_eq!(reader.get_read(), "1234567890");
+    assert_eq!(reader.remaining(), "foo bar");
+}
+
+#[test]
+fn read_double() {
+    let mut reader = StringReader::from("123".to_string());
+    assert_eq!(reader.read_double().unwrap(), 123.0);
+    assert_eq!(reader.get_read(), "123");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_double_with_decimal() {
+    let mut reader = StringReader::from("12.34".to_string());
+    assert_eq!(reader.read_double().unwrap(), 12.34);
+    assert_eq!(reader.get_read(), "12.34");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_double_negative() {
+    let mut reader = StringReader::from("-123".to_string());
+    assert_eq!(reader.read_double().unwrap(), -123.0);
+    assert_eq!(reader.get_read(), "-123");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_double_invalid() {
+    let mut reader = StringReader::from("12.34.56".to_string());
+    let result = reader.read_double();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderInvalidDouble {
+                value: "12.34.56".to_string()
+            }
+        );
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_double_none() {
+    let mut reader = StringReader::from("".to_string());
+    let result = reader.read_double();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(e.get_type(), &BuiltInExceptions::ReaderExpectedDouble);
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_double_with_remaining() {
+    let mut reader = StringReader::from("12.34 foo bar".to_string());
+    assert_eq!(reader.read_double().unwrap(), 12.34);
+    assert_eq!(reader.get_read(), "12.34");
+    assert_eq!(reader.remaining(), " foo bar");
+}
+
+#[test]
+fn read_double_with_remaining_immediate() {
+    let mut reader = StringReader::from("12.34foo bar".to_string());
+    assert_eq!(reader.read_double().unwrap(), 12.34);
+    assert_eq!(reader.get_read(), "12.34");
+    assert_eq!(reader.remaining(), "foo bar");
+}
+
+#[test]
+fn read_float() {
+    let mut reader = StringReader::from("123".to_string());
+    assert_eq!(reader.read_float().unwrap(), 123.0f32);
+    assert_eq!(reader.get_read(), "123");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_float_with_decimal() {
+    let mut reader = StringReader::from("12.34".to_string());
+    assert_eq!(reader.read_float().unwrap(), 12.34f32);
+    assert_eq!(reader.get_read(), "12.34");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_float_negative() {
+    let mut reader = StringReader::from("-123".to_string());
+    assert_eq!(reader.read_float().unwrap(), -123.0f32);
+    assert_eq!(reader.get_read(), "-123");
+    assert_eq!(reader.remaining(), "");
+}
+
+#[test]
+fn read_float_invalid() {
+    let mut reader = StringReader::from("12.34.56".to_string());
+    let result = reader.read_float();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderInvalidFloat {
+                value: "12.34.56".to_string()
+            }
+        );
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_float_none() {
+    let mut reader = StringReader::from("".to_string());
+    let result = reader.read_float();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(e.get_type(), &BuiltInExceptions::ReaderExpectedFloat);
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_float_with_remaining() {
+    let mut reader = StringReader::from("12.34 foo bar".to_string());
+    assert_eq!(reader.read_float().unwrap(), 12.34f32);
+    assert_eq!(reader.get_read(), "12.34");
+    assert_eq!(reader.remaining(), " foo bar");
+}
+
+#[test]
+fn read_float_with_remaining_immediate() {
+    let mut reader = StringReader::from("12.34foo bar".to_string());
+    assert_eq!(reader.read_float().unwrap(), 12.34f32);
+    assert_eq!(reader.get_read(), "12.34");
+    assert_eq!(reader.remaining(), "foo bar");
+}
+
+#[test]
+fn expect_correct() {
+    let mut reader = StringReader::from("abc".to_string());
+    reader.expect('a').unwrap();
+    assert_eq!(reader.cursor(), 1);
+}
+
+#[test]
+fn expect_incorrect() {
+    let mut reader = StringReader::from("bcd".to_string());
+    let result = reader.expect('a');
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderExpectedSymbol { symbol: 'a' }
+        );
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn expect_none() {
+    let mut reader = StringReader::from("".to_string());
+    let result = reader.expect('a');
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderExpectedSymbol { symbol: 'a' }
+        );
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_boolean_correct() {
+    let mut reader = StringReader::from("true".to_string());
+    assert_eq!(reader.read_boolean().unwrap(), true);
+    assert_eq!(reader.get_read(), "true");
+}
+
+#[test]
+fn read_boolean_incorrect() {
+    let mut reader = StringReader::from("tuesday".to_string());
+    let result = reader.read_boolean();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(
+            e.get_type(),
+            &BuiltInExceptions::ReaderInvalidBool {
+                value: "tuesday".to_string()
+            }
+        );
+        assert_eq!(e.cursor(), Some(0));
+    }
+}
+
+#[test]
+fn read_boolean_none() {
+    let mut reader = StringReader::from("".to_string());
+    let result = reader.read_boolean();
+    assert!(result.is_err());
+    if let Err(e) = result {
+        assert_eq!(e.get_type(), &BuiltInExceptions::ReaderExpectedBool);
+        assert_eq!(e.cursor(), Some(0));
+    }
+}