Benchmark text flow

flow_test.go

@@ -0,0 +1,38 @@
+package typeset
+
+import "testing"
+import "golang.org/x/image/math/fixed"
+import "golang.org/x/image/font/basicfont"
+
+func BenchmarkFlowLipsumLeftTop (benchmark *testing.B) {
+	benchmarkFlow(benchmark, false, AlignStart, AlignStart)
+}
+
+func BenchmarkFlowLipsumWrapLeftTop (benchmark *testing.B) {
+	benchmarkFlow(benchmark, true, AlignStart, AlignStart)
+}
+
+func BenchmarkFlowLipsumCenterTop (benchmark *testing.B) {
+	benchmarkFlow(benchmark, false, AlignMiddle, AlignStart)
+}
+
+func BenchmarkFlowLipsumWrapCenterTop (benchmark *testing.B) {
+	benchmarkFlow(benchmark, true, AlignMiddle, AlignStart)
+}
+
+func BenchmarkFlowLipsumWrapJustifyTop (benchmark *testing.B) {
+	benchmarkFlow(benchmark, true, AlignEven, AlignStart)
+}
+
+func benchmarkFlow (benchmark *testing.B, wrap bool, xAlign, yAlign Align) {
+	_, tokens := parseString(lipsumLt)
+	benchmark.ReportAllocs()
+	benchmark.ResetTimer()
+	for i := 0; i < benchmark.N; i ++ {
+		reflow (
+			tokens,
+			basicfont.Face7x13,
+			fixed.P(256, 256),
+			wrap, xAlign, yAlign)
+	}
+}