3 files changed, 56 insertions, 0 deletions
diff --git a/src/cmd/cover/testdata/html/html.go b/src/cmd/cover/testdata/html/html.go
new file mode 100644
index 0000000..2057825
--- /dev/null
+++ b/src/cmd/cover/testdata/html/html.go
@@ -0,0 +1,30 @@
+package html
+
+import "fmt"
+
+// This file is tested by html_test.go.
+// The comments below are markers for extracting the annotated source
+// from the HTML output.
+
+// This is a regression test for incorrect sorting of boundaries
+// that coincide, specifically for empty select clauses.
+// START f
+func f() {
+	ch := make(chan int)
+	select {
+	case <-ch:
+	default:
+	}
+}
+
+// END f
+
+// https://golang.org/issue/25767
+// START g
+func g() {
+	if false {
+		fmt.Printf("Hello")
+	}
+}
+
+// END g
diff --git a/src/cmd/cover/testdata/html/html.golden b/src/cmd/cover/testdata/html/html.golden
new file mode 100644
index 0000000..84377d1
--- /dev/null
+++ b/src/cmd/cover/testdata/html/html.golden
@@ -0,0 +1,18 @@
+// START f
+func f() <span class="cov8" title="1">{
+	ch := make(chan int)
+	select </span>{
+	case &lt;-ch:<span class="cov0" title="0"></span>
+	default:<span class="cov8" title="1"></span>
+	}
+}
+
+// END f
+// START g
+func g() <span class="cov8" title="1">{
+	if false </span><span class="cov0" title="0">{
+		fmt.Printf("Hello")
+	}</span>
+}
+
+// END g
diff --git a/src/cmd/cover/testdata/html/html_test.go b/src/cmd/cover/testdata/html/html_test.go
new file mode 100644
index 0000000..c15561f
--- /dev/null
+++ b/src/cmd/cover/testdata/html/html_test.go
@@ -0,0 +1,8 @@
+package html
+
+import "testing"
+
+func TestAll(t *testing.T) {
+	f()
+	g()
+}