1 files changed, 46 insertions, 0 deletions
diff --git a/src/tools/clippy/tests/ui/open_options.stderr b/src/tools/clippy/tests/ui/open_options.stderr
new file mode 100644
index 000000000..26fe9f6fb
--- /dev/null
+++ b/src/tools/clippy/tests/ui/open_options.stderr
@@ -0,0 +1,46 @@
+error: file opened with `truncate` and `read`
+  --> $DIR/open_options.rs:6:5
+   |
+LL |     OpenOptions::new().read(true).truncate(true).open("foo.txt");
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+   |
+   = note: `-D clippy::nonsensical-open-options` implied by `-D warnings`
+
+error: file opened with `append` and `truncate`
+  --> $DIR/open_options.rs:7:5
+   |
+LL |     OpenOptions::new().append(true).truncate(true).open("foo.txt");
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: the method `read` is called more than once
+  --> $DIR/open_options.rs:9:5
+   |
+LL |     OpenOptions::new().read(true).read(false).open("foo.txt");
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: the method `create` is called more than once
+  --> $DIR/open_options.rs:10:5
+   |
+LL |     OpenOptions::new().create(true).create(false).open("foo.txt");
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: the method `write` is called more than once
+  --> $DIR/open_options.rs:11:5
+   |
+LL |     OpenOptions::new().write(true).write(false).open("foo.txt");
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: the method `append` is called more than once
+  --> $DIR/open_options.rs:12:5
+   |
+LL |     OpenOptions::new().append(true).append(false).open("foo.txt");
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: the method `truncate` is called more than once
+  --> $DIR/open_options.rs:13:5
+   |
+LL |     OpenOptions::new().truncate(true).truncate(false).open("foo.txt");
+   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+error: aborting due to 7 previous errors
+