mirror of https://github.com/miniflux/v2.git
43 lines
822 B
Go
43 lines
822 B
Go
package parse
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import (
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"bytes"
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"fmt"
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"io"
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"testing"
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"github.com/tdewolff/test"
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)
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func TestPosition(t *testing.T) {
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var newlineTests = []struct {
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offset int
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buf string
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line int
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col int
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err error
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}{
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{0, "x", 1, 1, nil},
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{1, "xx", 1, 2, nil},
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{2, "x\nx", 2, 1, nil},
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{2, "\n\nx", 3, 1, nil},
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{3, "\nxxx", 2, 3, nil},
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{2, "\r\nx", 2, 1, nil},
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// edge cases
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{0, "", 1, 1, io.EOF},
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{0, "\n", 1, 1, nil},
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{1, "\r\n", 1, 2, nil},
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{-1, "x", 1, 2, io.EOF}, // continue till the end
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}
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for _, tt := range newlineTests {
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t.Run(fmt.Sprint(tt.buf, " ", tt.offset), func(t *testing.T) {
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r := bytes.NewBufferString(tt.buf)
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line, col, _, err := Position(r, tt.offset)
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test.T(t, err, tt.err)
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test.T(t, line, tt.line, "line")
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test.T(t, col, tt.col, "column")
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})
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}
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}
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