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38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
package html // import "github.com/tdewolff/minify/html"
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import (
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"bytes"
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"testing"
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"github.com/tdewolff/parse/html"
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"github.com/tdewolff/test"
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)
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func TestBuffer(t *testing.T) {
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// 0 12 3 45 6 7 8 9 0
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s := `<p><a href="//url">text</a>text<!--comment--></p>`
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z := NewTokenBuffer(html.NewLexer(bytes.NewBufferString(s)))
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tok := z.Shift()
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test.That(t, tok.Hash == html.P, "first token is <p>")
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test.That(t, z.pos == 0, "shift first token and restore position")
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test.That(t, len(z.buf) == 0, "shift first token and restore length")
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test.That(t, z.Peek(2).Hash == html.Href, "third token is href")
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test.That(t, z.pos == 0, "don't change position after peeking")
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test.That(t, len(z.buf) == 3, "two tokens after peeking")
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test.That(t, z.Peek(8).Hash == html.P, "ninth token is <p>")
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test.That(t, z.pos == 0, "don't change position after peeking")
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test.That(t, len(z.buf) == 9, "nine tokens after peeking")
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test.That(t, z.Peek(9).TokenType == html.ErrorToken, "tenth token is an error")
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test.That(t, z.Peek(9) == z.Peek(10), "tenth and eleventh tokens are EOF")
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test.That(t, len(z.buf) == 10, "ten tokens after peeking")
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_ = z.Shift()
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tok = z.Shift()
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test.That(t, tok.Hash == html.A, "third token is <a>")
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test.That(t, z.pos == 2, "don't change position after peeking")
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}
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