wrote more of the compressor and added some tests

2012-08-22 15:21:58 +03:00
parent f53e139d3c
commit 159a6f048c
10 changed files with 497 additions and 19 deletions
--- a/test/compress/dead-code.js
+++ b/test/compress/dead-code.js
@@ -0,0 +1,53 @@
+dead_code_1: {
+    options = {
+        dead_code: true
+    };
+    input: {
+        function f() {
+            a();
+            b();
+            x = 10;
+            return;
+            if (x) {
+                y();
+            }
+        }
+    }
+    expect: {
+        function f() {
+            a();
+            b();
+            x = 10;
+            return;
+        }
+    }
+}
+
+dead_code_2_should_warn: {
+    options = {
+        dead_code: true
+    };
+    input: {
+        function f() {
+            g();
+            x = 10;
+            throw "foo";
+            // completely discarding the `if` would introduce some
+            // bugs.  UglifyJS v1 doesn't deal with this issue.
+            if (x) {
+                y();
+                var x;
+                function g(){};
+            }
+        }
+    }
+    expect: {
+        function f() {
+            g();
+            x = 10;
+            throw "foo";
+            var x;
+            function g(){};
+        }
+    }
+}