From adcdca86ce425cf8c28bfad311cef028df756ee8 Mon Sep 17 00:00:00 2001
From: joshualitt <joshualitt@chromium.org>
Date: Fri, 31 Jul 2015 07:44:11 -0700
Subject: Modifying TextBlobCacheTest to use SkRandomScalerContext

BUG=skia:

Review URL: https://codereview.chromium.org/1266003002
---
 tests/TextBlobCacheTest.cpp | 13 +++++++++++--
 1 file changed, 11 insertions(+), 2 deletions(-)

(limited to 'tests/TextBlobCacheTest.cpp')

diff --git a/tests/TextBlobCacheTest.cpp b/tests/TextBlobCacheTest.cpp
index 3cbc8a35ad..c42ef89890 100644
--- a/tests/TextBlobCacheTest.cpp
+++ b/tests/TextBlobCacheTest.cpp
@@ -14,6 +14,8 @@
 #include "SkGraphics.h"
 #include "SkSurface.h"
 #include "SkTypeface.h"
+#include "../src/fonts/SkRandomScalerContext.h"
+#include "../src/fonts/SkGScalerContext.h"
 
 #ifdef SK_BUILD_FOR_WIN
     #include "SkTypeface_win.h"
@@ -59,7 +61,8 @@ DEF_GPUTEST(TextBlobCache, reporter, factory) {
     uint32_t flags = 0;
     SkSurfaceProps props(flags, SkSurfaceProps::kLegacyFontHost_InitType);
 
-    GrContext* ctx = factory->get(GrContextFactory::kNative_GLContextType);
+    // We don't typically actually draw with this unittest
+    GrContext* ctx = factory->get(GrContextFactory::kNull_GLContextType);
     SkImageInfo info = SkImageInfo::Make(kWidth, kHeight, kN32_SkColorType, kPremul_SkAlphaType);
     SkAutoTUnref<SkSurface> surface(SkSurface::NewRenderTarget(ctx, SkSurface::kNo_Budgeted, info,
                                                                0, &props));
@@ -94,7 +97,10 @@ DEF_GPUTEST(TextBlobCache, reporter, factory) {
             SkFontStyle fs;
             set->getStyle(j, &fs, NULL);
 
-            SkSafeUnref(paint.setTypeface(set->createTypeface(j)));
+            // We use a typeface which randomy returns unexpected mask formats to fuzz
+            SkAutoTUnref<SkTypeface> orig(set->createTypeface(j));
+            SkAutoTUnref<SkTypeface> typeface(SkNEW_ARGS(SkRandomTypeface, (orig, paint, true)));
+            paint.setTypeface(typeface);
 
             SkTextBlobBuilder builder;
             for (int aa = 0; aa < 2; aa++) {
@@ -103,6 +109,9 @@ DEF_GPUTEST(TextBlobCache, reporter, factory) {
                         paint.setAntiAlias(SkToBool(aa));
                         paint.setSubpixelText(SkToBool(subpixel));
                         paint.setLCDRenderText(SkToBool(lcd));
+                        if (!SkToBool(lcd)) {
+                            paint.setTextSize(160);
+                        }
                         const SkTextBlobBuilder::RunBuffer& run = builder.allocRun(paint,
                                                                                    MAX_TOTAL_TEXT,
                                                                                    0, 0,
-- 
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