From bf6d657b20baf1b2c38e996a3499875e485e5b67 Mon Sep 17 00:00:00 2001
From: Charles Iliya Krempeaux <iamreiver@gmail.com>
Date: Sat, 9 Dec 2023 09:30:21 -0800
Subject: [PATCH] initial commits

---
 sp/skip_tolerant.go      |  17 +++++
 sp/skip_tolerant_test.go | 154 +++++++++++++++++++++++++++++++++++++++
 2 files changed, 171 insertions(+)
 create mode 100644 sp/skip_tolerant.go
 create mode 100644 sp/skip_tolerant_test.go

diff --git a/sp/skip_tolerant.go b/sp/skip_tolerant.go
new file mode 100644
index 0000000..bef345f
--- /dev/null
+++ b/sp/skip_tolerant.go
@@ -0,0 +1,17 @@
+package sp
+
+func SkipTolerant(p []byte) []byte {
+	length := len(p)
+
+	if length <= 0 {
+		return nil
+	}
+
+	for i,b := range p {
+		if !ByteIsTolerant(b) {
+			return p[i:]
+		}
+	}
+
+	return nil
+}
diff --git a/sp/skip_tolerant_test.go b/sp/skip_tolerant_test.go
new file mode 100644
index 0000000..78f5653
--- /dev/null
+++ b/sp/skip_tolerant_test.go
@@ -0,0 +1,154 @@
+package sp_test
+
+import (
+	"testing"
+
+	"bytes"
+
+	"sourcecode.social/reiver/go-rfc2616/sp"
+)
+
+func TestSkipTolerant(t *testing.T) {
+
+	tests := []struct{
+		Value []byte
+		Expected []byte
+	}{
+		{
+			Value: nil,
+			Expected: nil,
+		},
+		{
+			Value: []byte(nil),
+			Expected: nil,
+		},
+
+
+
+		{
+			Value: []byte{},
+			Expected: nil,
+		},
+		{
+			Value: []byte(""),
+			Expected: nil,
+		},
+
+
+
+		{
+			Value: []byte(" "),
+			Expected: nil,
+		},
+		{
+			Value: []byte("  "),
+			Expected: nil,
+		},
+		{
+			Value: []byte("   "),
+			Expected: nil,
+		},
+		{
+			Value: []byte("    "),
+			Expected: nil,
+		},
+		{
+			Value: []byte("     "),
+			Expected: nil,
+		},
+		{
+			Value: []byte("      "),
+			Expected: nil,
+		},
+		{
+			Value: []byte("       "),
+			Expected: nil,
+		},
+
+		{
+			Value: []byte("                                        "),
+			Expected: nil,
+		},
+
+
+
+		{
+			Value: []byte("\t"),
+			Expected: nil,
+		},
+		{
+			Value: []byte("\t\t"),
+			Expected: nil,
+		},
+		{
+			Value: []byte("\t\t\t"),
+			Expected: nil,
+		},
+		{
+			Value: []byte("\t\t\t\t"),
+			Expected: nil,
+		},
+		{
+			Value: []byte("\t\t\t\t\t"),
+			Expected: nil,
+		},
+		{
+			Value: []byte("\t\t\t\t\t\t"),
+			Expected: nil,
+		},
+		{
+			Value: []byte("\t\t\t\t\t\t\t"),
+			Expected: nil,
+		},
+
+		{
+			Value: []byte("\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t"),
+			Expected: nil,
+		},
+
+
+
+		{
+			Value: []byte("\t  \t         \t  \t\t"),
+			Expected: nil,
+		},
+
+
+
+		{
+			Value:   []byte(" apple "),
+			Expected: []byte("apple "),
+		},
+		{
+			Value:  []byte("\tbanana"),
+			Expected: []byte("banana"),
+		},
+		{
+			Value: []byte("\t\t cherry\r\n"),
+			Expected:   []byte("cherry\r\n"),
+		},
+
+
+
+		{
+			Value: []byte("  \t\t 😈 :-)\r\n"),
+			Expected:     []byte("😈 :-)\r\n"),
+		},
+	}
+
+	for testNumber, test := range tests {
+
+		actual := sp.SkipTolerant(test.Value)
+
+		expected := test.Expected
+
+		if !bytes.Equal(expected, actual) {
+			t.Errorf("For test #%d, the actual result is not what was expected.", testNumber)
+			t.Logf("EXPECTED: %q (%#v)", expected, expected)
+			t.Logf("ACTUAL:   %q (%#v)", actual, actual)
+			t.Logf("VALUE: %q (%#v)", test.Value, test.Value)
+			continue
+		}
+
+	}
+}