src/test/ui/proc-macro/span-absolute-posititions.rs

   1 // aux-build:assert-span-pos.rs
   2 // ignore-tidy-tab
   3 extern crate assert_span_pos;
   4
   5 assert_span_pos::assert_span_pos!(5, 35);
   6
   7 // Test space indentation
   8     assert_span_pos::assert_span_pos!(8, 39);
   9 // Test tab indentation
  10         assert_span_pos::assert_span_pos!(10, 36);
  11
  12 // Two tests to ensure the promise of the docs that the column is the number
  13 // of UTF-8 bytes instead of some other number like number of code points.
  14
  15 // Test that multi byte UTF-8 characters indeed count as multiple bytes
  16 /*🌈*/assert_span_pos::assert_span_pos!(16, 40);
  17 // Test with a complete grapheme cluster
  18 /*🏳️‍🌈*/assert_span_pos::assert_span_pos!(18, 43);
  19
  20 // Test that the macro actually emits an error on a mismatch:
  21 assert_span_pos::assert_span_pos!(0, 35); //~ ERROR line/column mismatch: (0, 35) != (21, 35)
  22 assert_span_pos::assert_span_pos!(22, 0); //~ ERROR line/column mismatch: (22, 0) != (22, 35)
  23
  24 fn main() {}