enhance comparisons (#4062)

2020-08-23 01:03:48 +08:00
parent fee677786e
commit f2d486e771
2 changed files with 24 additions and 1 deletions
--- a/test/compress/comparisons.js
+++ b/test/compress/comparisons.js
@@ -123,6 +123,29 @@ self_comparison_3: {
    ]
 }

+self_comparison_4: {
+    options = {
+        booleans: true,
+        comparisons: true,
+        reduce_vars: true,
+        toplevel: true,
+        unused: true,
+    }
+    input: {
+        var o = {};
+        console.log(o == o, o != o);
+        console.log(o === o, o !== o);
+    }
+    expect: {
+        console.log(!0, !1);
+        console.log(!0, !1);
+    }
+    expect_stdout: [
+        "true false",
+        "true false",
+    ]
+}
+
 issue_2857_1: {
    options = {
        comparisons: true,