Don't wrap // MOE: line comments

cushon · ronshapiro · commit 189539416904 · 2019-02-07T16:11:08.000-05:00
------------- Created by MOE: https://github.com/google/moe MOE_MIGRATED_REVID=231858210
diff --git a/core/src/main/java/com/google/googlejavaformat/java/JavaCommentsHelper.java b/core/src/main/java/com/google/googlejavaformat/java/JavaCommentsHelper.java
@@ -117,6 +117,11 @@ private List<String> wrapLineComments(
         int length = matcher.group(1).length();
         line = Strings.repeat("/", length) + " " + line.substring(length);
       }
+      if (line.startsWith("// MOE:")) {
+        // don't wrap comments for https://github.com/google/MOE
+        result.add(line);
+        continue;
+      }
       while (line.length() + column0 > options.maxLineLength()) {
         int idx = options.maxLineLength() - column0;
         // only break on whitespace characters, and ignore the leading `// `
diff --git a/core/src/test/java/com/google/googlejavaformat/java/FormatterTest.java b/core/src/test/java/com/google/googlejavaformat/java/FormatterTest.java
@@ -453,4 +453,22 @@ public void blankLinesImportComment() throws FormatterException {
     assertThat(RemoveUnusedImports.removeUnusedImports(withoutBlank)).isEqualTo(withoutBlank);
     assertThat(ImportOrderer.reorderImports(withoutBlank)).isEqualTo(withoutBlank);
   }
+
+  @Test
+  public void dontWrapMoeLineComments() throws Exception {
+    assertThat(
+            new Formatter()
+                .formatSource(
+                    "class T {\n"
+                        + "  // MOE: one long incredibly"
+                        + " unbroken sentence moving from topic to topic so that no-one had a"
+                        + " chance to interrupt;\n"
+                        + "}\n"))
+        .isEqualTo(
+            "class T {\n"
+                + "  // MOE: one long incredibly"
+                + " unbroken sentence moving from topic to topic so that no-one had a"
+                + " chance to interrupt;\n"
+                + "}\n");
+  }
 }
