Fix nearly-vertical gradient assert
Use a SkScalarNearlyZero(dx) test instead of !SkScalarIsFinite(invDx).
R=reed@google.com
Review URL: https://codereview.chromium.org/1456783005
diff --git a/tests/GradientTest.cpp b/tests/GradientTest.cpp
index d0ea1f2..8d73569 100644
--- a/tests/GradientTest.cpp
+++ b/tests/GradientTest.cpp
@@ -9,6 +9,7 @@
#include "SkColorShader.h"
#include "SkGradientShader.h"
#include "SkShader.h"
+#include "SkSurface.h"
#include "SkTemplates.h"
#include "Test.h"
@@ -196,8 +197,24 @@
}
}
+static void test_nearly_vertical(skiatest::Reporter* reporter) {
+ SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(200, 200));
+
+ const SkPoint pts[] = {{ 100, 50 }, { 100.0001f, 50000 }};
+ const SkColor colors[] = { SK_ColorBLACK, SK_ColorWHITE };
+ const SkScalar pos[] = { 0, 1 };
+ SkAutoTUnref<SkShader> gradient(
+ SkGradientShader::CreateLinear(pts, colors, pos, 2, SkShader::kClamp_TileMode));
+
+ SkPaint paint;
+ paint.setShader(gradient);
+
+ surface->getCanvas()->drawPaint(paint);
+}
+
DEF_TEST(Gradient, reporter) {
TestGradientShaders(reporter);
TestConstantGradient(reporter);
test_big_grad(reporter);
+ test_nearly_vertical(reporter);
}