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-rw-r--r--src/tools/rustfmt/tests/target/array_comment.rs18
1 files changed, 18 insertions, 0 deletions
diff --git a/src/tools/rustfmt/tests/target/array_comment.rs b/src/tools/rustfmt/tests/target/array_comment.rs
new file mode 100644
index 00000000000..93e1f5f4034
--- /dev/null
+++ b/src/tools/rustfmt/tests/target/array_comment.rs
@@ -0,0 +1,18 @@
+// Issue 2842
+// The comment should not make the last line shorter
+
+static XXX: [i8; 64] = [
+    1, // Comment
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+];
+
+static XXX: [i8; 64] = [
+    1, // Comment
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+];
+
+static XXX: [i8; 64] = [
+    1, // Comment
+    1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
+    1,
+];