1 files changed, 13 insertions, 0 deletions
diff --git a/tests/SkSLGLSLTest.cpp b/tests/SkSLGLSLTest.cpp
index 73c6dccbde..e4088ceee7 100644
--- a/tests/SkSLGLSLTest.cpp
+++ b/tests/SkSLGLSLTest.cpp
@@ -1573,4 +1573,17 @@ DEF_TEST(SkSLNumberConversions, r) {
          "float f2f = f;\n");
 }
 
+DEF_TEST(SkSLConstantSwizzleComparison, r) {
+    test(r,
+         "void main() { if (half4(1.0).x == half4(1.0).y) { sk_FragColor = half4(1.0); } }",
+         *SkSL::ShaderCapsFactory::Default(),
+         "#version 400\n"
+         "out vec4 sk_FragColor;\n"
+         "void main() {\n"
+         "    {\n"
+         "        sk_FragColor = vec4(1.0);\n"
+         "    }\n"
+         "}\n");
+}
+
 #endif