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test(codegen): add test for CodeBuffer::print_byte_unchecked (#6497)

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Add test, and rename the rest of the test functions for `CodeBuffer`.
This commit is contained in:
overlookmotel 2024-10-13 09:51:50 +00:00
parent 8ae174bd36
commit d816b0bd0e
1 changed files with 21 additions and 5 deletions
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26
crates/oxc_codegen/src/code_buffer.rs
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@ -365,7 +365,7 @@ mod test {
use super::CodeBuffer; use super::CodeBuffer;
#[test] #[test]
fn test_empty() { fn empty() {
let code = CodeBuffer::default(); let code = CodeBuffer::default();
assert!(code.is_empty()); assert!(code.is_empty());
assert_eq!(code.len(), 0); assert_eq!(code.len(), 0);
@ -373,7 +373,7 @@ mod test {
} }
#[test] #[test]
fn test_string_isomorphism() { fn string_isomorphism() {
let s = "Hello, world!"; let s = "Hello, world!";
let mut code = CodeBuffer::with_capacity(s.len()); let mut code = CodeBuffer::with_capacity(s.len());
code.print_str(s); code.print_str(s);
@ -382,7 +382,7 @@ mod test {
} }
#[test] #[test]
fn test_into_source_string() { fn into_source_string() {
let s = "Hello, world!"; let s = "Hello, world!";
let mut code = CodeBuffer::with_capacity(s.len()); let mut code = CodeBuffer::with_capacity(s.len());
code.print_str(s); code.print_str(s);
@ -400,7 +400,7 @@ mod test {
#[test] #[test]
#[allow(clippy::byte_char_slices)] #[allow(clippy::byte_char_slices)]
fn test_print_byte_unchecked() { fn print_ascii_byte() {
let mut code = CodeBuffer::new(); let mut code = CodeBuffer::new();
code.print_ascii_byte(b'f'); code.print_ascii_byte(b'f');
code.print_ascii_byte(b'o'); code.print_ascii_byte(b'o');
@ -412,7 +412,23 @@ mod test {
} }
#[test] #[test]
fn test_peek() { #[allow(clippy::byte_char_slices)]
fn print_byte_unchecked() {
let mut code = CodeBuffer::new();
// SAFETY: These bytes are all ASCII
unsafe {
code.print_byte_unchecked(b'f');
code.print_byte_unchecked(b'o');
code.print_byte_unchecked(b'o');
}
assert_eq!(code.len(), 3);
assert_eq!(code.as_ref(), &[b'f', b'o', b'o']);
assert_eq!(String::from(code), "foo");
}
#[test]
fn peek_nth_back() {
let mut code = CodeBuffer::new(); let mut code = CodeBuffer::new();
code.print_str("foo"); code.print_str("foo");