[SVGDevice] Text whitespace unittest

src/svg/SkSVGDevice.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkSVGDevice.h"
 
 #include "SkBitmap.h"
@@ skipping 440 matching lines @@
 
 void SkSVGDevice::AutoElement::addPathAttributes(const SkPath& path) {
     SkString pathData;
     SkParsePath::ToSVGString(path, &pathData);
     this->addAttribute("d", pathData);
 }
 
 void SkSVGDevice::AutoElement::addTextAttributes(const SkPaint& paint) {
     this->addAttribute("font-size", paint.getTextSize());
 
-    SkTypeface::Style style = paint.getTypeface()->style();
-    if (style & SkTypeface::kItalic) {
-        this->addAttribute("font-style", "italic");
-    }
-    if (style & SkTypeface::kBold) {
-        this->addAttribute("font-weight", "bold");
-    }
-
     if (const char* textAlign = svg_text_align(paint.getTextAlign())) {
         this->addAttribute("text-anchor", textAlign);
     }
 
     SkString familyName;
     SkTHashSet<SkString, hash_family_string> familySet;
     SkAutoTUnref<const SkTypeface> tface(paint.getTypeface() ?
-        SkRef(paint.getTypeface()) : SkTypeface::RefDefault(style));
+        SkRef(paint.getTypeface()) : SkTypeface::RefDefault());
+
+    SkASSERT(tface);
+    SkTypeface::Style style = tface->style();
+    if (style & SkTypeface::kItalic) {
+        this->addAttribute("font-style", "italic");
+    }
+    if (style & SkTypeface::kBold) {
+        this->addAttribute("font-weight", "bold");
+    }
+
     SkAutoTUnref<SkTypeface::LocalizedStrings> familyNameIter(tface->createFamilyNameIterator());
     SkTypeface::LocalizedString familyString;
     while (familyNameIter->next(&familyString)) {
         if (familySet.contains(familyString.fString)) {
             continue;
         }
         familySet.add(familyString.fString);
         familyName.appendf((familyName.isEmpty() ? "%s" : ", %s"), familyString.fString.c_str());
     }
 
@@ skipping 173 matching lines @@
                                const SkPaint& paint) {
     // todo
     SkDebugf("unsupported operation: drawVertices()\n");
 }
 
 void SkSVGDevice::drawDevice(const SkDraw&, SkBaseDevice*, int x, int y,
                              const SkPaint&) {
     // todo
     SkDebugf("unsupported operation: drawDevice()\n");
 }