1 files changed, 80 insertions, 0 deletions
diff --git a/src/go/doc/comment/old_test.go b/src/go/doc/comment/old_test.go
new file mode 100644
index 0000000..944f94d
--- /dev/null
+++ b/src/go/doc/comment/old_test.go
@@ -0,0 +1,80 @@
+// Copyright 2011 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// These tests are carried forward from the old go/doc implementation.
+
+package comment
+
+import "testing"
+
+var oldHeadingTests = []struct {
+	line string
+	ok   bool
+}{
+	{"Section", true},
+	{"A typical usage", true},
+	{"ΔΛΞ is Greek", true},
+	{"Foo 42", true},
+	{"", false},
+	{"section", false},
+	{"A typical usage:", false},
+	{"This code:", false},
+	{"δ is Greek", false},
+	{"Foo §", false},
+	{"Fermat's Last Sentence", true},
+	{"Fermat's", true},
+	{"'sX", false},
+	{"Ted 'Too' Bar", false},
+	{"Use n+m", false},
+	{"Scanning:", false},
+	{"N:M", false},
+}
+
+func TestIsOldHeading(t *testing.T) {
+	for _, tt := range oldHeadingTests {
+		if isOldHeading(tt.line, []string{"Text.", "", tt.line, "", "Text."}, 2) != tt.ok {
+			t.Errorf("isOldHeading(%q) = %v, want %v", tt.line, !tt.ok, tt.ok)
+		}
+	}
+}
+
+var autoURLTests = []struct {
+	in, out string
+}{
+	{"", ""},
+	{"http://[::1]:8080/foo.txt", "http://[::1]:8080/foo.txt"},
+	{"https://www.google.com) after", "https://www.google.com"},
+	{"https://www.google.com:30/x/y/z:b::c. After", "https://www.google.com:30/x/y/z:b::c"},
+	{"http://www.google.com/path/:;!-/?query=%34b#093124", "http://www.google.com/path/:;!-/?query=%34b#093124"},
+	{"http://www.google.com/path/:;!-/?query=%34bar#093124", "http://www.google.com/path/:;!-/?query=%34bar#093124"},
+	{"http://www.google.com/index.html! After", "http://www.google.com/index.html"},
+	{"http://www.google.com/", "http://www.google.com/"},
+	{"https://www.google.com/", "https://www.google.com/"},
+	{"http://www.google.com/path.", "http://www.google.com/path"},
+	{"http://en.wikipedia.org/wiki/Camellia_(cipher)", "http://en.wikipedia.org/wiki/Camellia_(cipher)"},
+	{"http://www.google.com/)", "http://www.google.com/"},
+	{"http://gmail.com)", "http://gmail.com"},
+	{"http://gmail.com))", "http://gmail.com"},
+	{"http://gmail.com ((http://gmail.com)) ()", "http://gmail.com"},
+	{"http://example.com/ quux!", "http://example.com/"},
+	{"http://example.com/%2f/ /world.", "http://example.com/%2f/"},
+	{"http: ipsum //host/path", ""},
+	{"javascript://is/not/linked", ""},
+	{"http://foo", "http://foo"},
+	{"https://www.example.com/person/][Person Name]]", "https://www.example.com/person/"},
+	{"http://golang.org/)", "http://golang.org/"},
+	{"http://golang.org/hello())", "http://golang.org/hello()"},
+	{"http://git.qemu.org/?p=qemu.git;a=blob;f=qapi-schema.json;hb=HEAD", "http://git.qemu.org/?p=qemu.git;a=blob;f=qapi-schema.json;hb=HEAD"},
+	{"https://foo.bar/bal/x(])", "https://foo.bar/bal/x"}, // inner ] causes (]) to be cut off from URL
+	{"http://bar(])", "http://bar"},                       // same
+}
+
+func TestAutoURL(t *testing.T) {
+	for _, tt := range autoURLTests {
+		url, ok := autoURL(tt.in)
+		if url != tt.out || ok != (tt.out != "") {
+			t.Errorf("autoURL(%q) = %q, %v, want %q, %v", tt.in, url, ok, tt.out, tt.out != "")
+		}
+	}
+}