Add test on large less

Author: dgageot

src/test/java/net/codestory/http/compilers/LessCompilerTest.java

@@ -15,6 +15,9 @@
  */
 package net.codestory.http.compilers;
 
+import static java.lang.ClassLoader.*;
+import static java.nio.charset.StandardCharsets.*;
+import static net.codestory.http.io.InputStreams.*;
 import static org.assertj.core.api.Assertions.*;
 
 import java.io.*;
@@ -43,6 +46,13 @@ public void to_css() throws IOException {
     assertThat(css).isEqualTo("body h1 {\n  color: red;\n}\n/*# sourceMappingURL=file.css.map */\n");
   }
 
+  @Test
+  public void large_css() throws IOException {
+    String css = lessCompiler.compile(Paths.get("file.less"), readString(getSystemResourceAsStream("less/style.less"), UTF_8));
+
+    assertThat(css).isNotEmpty();
+  }
+
   @Test
   public void invalid_file() throws IOException {
     thrown.expect(IOException.class);