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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:19:03 +0000
commit64d98f8ee037282c35007b64c2649055c56af1db (patch)
tree5492bcf97fce41ee1c0b1cc2add283f3e66cdab0 /compiler/rustc_span/src/source_map/tests.rs
parentAdding debian version 1.67.1+dfsg1-1. (diff)
downloadrustc-64d98f8ee037282c35007b64c2649055c56af1db.tar.xz
rustc-64d98f8ee037282c35007b64c2649055c56af1db.zip
Merging upstream version 1.68.2+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'compiler/rustc_span/src/source_map/tests.rs')
-rw-r--r--compiler/rustc_span/src/source_map/tests.rs45
1 files changed, 44 insertions, 1 deletions
diff --git a/compiler/rustc_span/src/source_map/tests.rs b/compiler/rustc_span/src/source_map/tests.rs
index 3cab59e8d..686b3b00d 100644
--- a/compiler/rustc_span/src/source_map/tests.rs
+++ b/compiler/rustc_span/src/source_map/tests.rs
@@ -344,6 +344,10 @@ fn map_path_prefix(mapping: &FilePathMapping, p: &str) -> String {
mapping.map_prefix(path(p)).0.to_string_lossy().to_string()
}
+fn reverse_map_prefix(mapping: &FilePathMapping, p: &str) -> Option<String> {
+ mapping.reverse_map_prefix_heuristically(&path(p)).map(|q| q.to_string_lossy().to_string())
+}
+
#[test]
fn path_prefix_remapping() {
// Relative to relative
@@ -387,7 +391,7 @@ fn path_prefix_remapping_expand_to_absolute() {
let working_directory = path("/foo");
let working_directory = RealFileName::Remapped {
local_path: Some(working_directory.clone()),
- virtual_name: mapping.map_prefix(working_directory).0,
+ virtual_name: mapping.map_prefix(working_directory).0.into_owned(),
};
assert_eq!(working_directory.remapped_path_if_available(), path("FOO"));
@@ -481,6 +485,45 @@ fn path_prefix_remapping_expand_to_absolute() {
}
#[test]
+fn path_prefix_remapping_reverse() {
+ // Ignores options without alphanumeric chars.
+ {
+ let mapping =
+ &FilePathMapping::new(vec![(path("abc"), path("/")), (path("def"), path("."))]);
+
+ assert_eq!(reverse_map_prefix(mapping, "/hello.rs"), None);
+ assert_eq!(reverse_map_prefix(mapping, "./hello.rs"), None);
+ }
+
+ // Returns `None` if multiple options match.
+ {
+ let mapping = &FilePathMapping::new(vec![
+ (path("abc"), path("/redacted")),
+ (path("def"), path("/redacted")),
+ ]);
+
+ assert_eq!(reverse_map_prefix(mapping, "/redacted/hello.rs"), None);
+ }
+
+ // Distinct reverse mappings.
+ {
+ let mapping = &FilePathMapping::new(vec![
+ (path("abc"), path("/redacted")),
+ (path("def/ghi"), path("/fake/dir")),
+ ]);
+
+ assert_eq!(
+ reverse_map_prefix(mapping, "/redacted/path/hello.rs"),
+ Some(path_str("abc/path/hello.rs"))
+ );
+ assert_eq!(
+ reverse_map_prefix(mapping, "/fake/dir/hello.rs"),
+ Some(path_str("def/ghi/hello.rs"))
+ );
+ }
+}
+
+#[test]
fn test_next_point() {
let sm = SourceMap::new(FilePathMapping::empty());
sm.new_source_file(PathBuf::from("example.rs").into(), "a…b".to_string());