// Test that all conversion functions work across char, int, and string types

// char() constructor

assert_equal('A', char('A')) // char from char (identity via Boxed_Number)

assert_equal('A', char(65)) // char from int (via Boxed_Number)

assert_equal('A', char("A")) // char from string (new)

// to_char() conversions

assert_equal('A', to_char('A')) // to_char from char (identity)

assert_equal('A', to_char(65)) // to_char from int (new, via Boxed_Number)

assert_equal('A', to_char("A")) // to_char from string (existing)

// int() constructor

assert_equal(65, int('A')) // int from char (via Boxed_Number)

assert_equal(65, int(65)) // int from int (identity via Boxed_Number)

assert_equal(65, int("65")) // int from string (new)

// to_int() conversions

assert_equal(65, to_int('A')) // to_int from char (new, via Boxed_Number)

assert_equal(65, to_int(65)) // to_int from int (identity)

assert_equal(65, to_int("65")) // to_int from string (existing)

// to_string() conversions

assert_equal("A", to_string('A'))

assert_equal("65", to_string(65))

assert_equal("A", to_string("A"))

// double conversions

assert_equal(3.5, double("3.5")) // double from string (new)

assert_equal(3.5, to_double("3.5")) // to_double from string (existing)

assert_equal(65.0, to_double('A')) // to_double from char (new, via Boxed_Number)

assert_equal(65.0, to_double(65)) // to_double from int (new, via Boxed_Number)

assert_equal("3.5", to_string(3.5)) // to_string from double (existing)