Language server: sort completion candidate by relevance. (#7626)

* Language server: sort completion candidate by relevance.

* Small adjustment.

1 files changed, 19 insertions, 0 deletions

diff --git a/tests/language-server/completion-sorting-2.slang b/tests/language-server/completion-sorting-2.slang
new file mode 100644
index 000000000..7cf62af71
--- /dev/null
+++ b/tests/language-server/completion-sorting-2.slang
@@ -0,0 +1,19 @@
+//TEST:LANG_SERVER(filecheck=CHECK):
+
+// Test that completion candidates are sorted according to context.
+
+enum Fruit { Orange, Apple, Banana }
+enum Color { Red, Green, Blue }
+void expect(Fruit e) {}
+void expect(Color e) {}
+
+
+void test()
+{
+//COMPLETE:14,12
+    expect(); // should list `Fruit` and `Color` first.
+
+}
+
+// CHECK: Fruit:{{.*}}sort(0:Fruit)
+// CHECK: Color:{{.*}}sort(0:Color)
\ No newline at end of file