[Core Graphics] Add test case for renamed APIs

Author: milseman

test/ClangModules/CoreGraphics_test.swift

@@ -0,0 +1,46 @@
+// RUN: %target-swift-frontend -emit-ir -O %s | FileCheck %s
+
+// Test some imported CG APIs
+import CoreGraphics
+
+// REQUIRES: OS=macosx
+
+// Get a transform that will rotate around a given offset
+public func rotationAround(offset: CGPoint, angle: CGFloat,
+        transform: CGAffineTransform = .identity) -> CGAffineTransform {
+  // FIXME: consistent API namings
+  return transform.translateBy(x: offset.x, y: offset.y)
+                  .rotate(angle)
+                  .translateBy(x: -offset.x, y: -offset.y)
+
+// CHECK:   call void @CGAffineTransformTranslate(%{{.*}}.CGAffineTransform* {{.*}}, %{{.*}}.CGAffineTransform* {{.*}},{{.*}}, {{.*}})
+// CHECK:   call void @CGAffineTransformRotate(%{{.*}}.CGAffineTransform* {{.*}}, %{{.*}}.CGAffineTransform* {{.*}},{{.*}})
+// CHECK:   call void @CGAffineTransformTranslate(%{{.*}}.CGAffineTransform* {{.*}}, %{{.*}}.CGAffineTransform* {{.*}},{{.*}}, {{.*}})
+}
+
+// Trace a path in red
+public func trace(in context: CGContext, path: CGPath) {
+  let red = CGColor(red: 1, green: 0, blue: 0, alpha: 1)
+  context.saveGState()
+  context.addPath(path)
+  context.setStrokeColor(red)
+  context.strokePath()
+  context.restoreGState()
+// CHECK:   call %{{.*}}.CGColor* @CGColorCreateGenericRGB(double 1.000000e+00, double 0.000000e+00, double 0.000000e+00, double 1.000000e+00)
+// CHECK:   call void @CGContextSaveGState(%{{.*}}.CGContext* %{{.*}})
+// CHECK:   call void @CGContextAddPath(%{{.*}}.CGContext* %{{.*}}, %{{.*}}.CGPath* %{{.*}})
+// CHECK:   call void @CGContextSetStrokeColorWithColor(%{{.*}}.CGContext* %{{.*}}, %{{.*}}.CGColor* %{{.*}})
+// CHECK:   call void @CGContextStrokePath(%{{.*}}.CGContext* %{{.*}})
+// CHECK:   call void @CGContextRestoreGState(%{{.*}}.CGContext* %{{.*}})
+}
+
+public func pdfOperations(_ context: CGContext) {
+	context.beginPDFPage(nil)
+	context.endPDFPage()
+	context.closePDF()
+// CHECK:   call void @CGPDFContextBeginPage(%{{.*}}.CGContext* %{{.*}}, %{{.*}}.__CFDictionary* {{.*}})
+// CHECK:   call void @CGPDFContextEndPage(%{{.*}}.CGContext* %{{.*}})
+// CHECK:   call void @CGPDFContextClose(%{{.*}}.CGContext* %{{.*}})
+
+}
+