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fmt: add tests for parsenum
Change-Id: Ie7b869892816a171d8c71612998cc32a190aeff9 Reviewed-on: https://go-review.googlesource.com/17227 Run-TryBot: Russ Cox <rsc@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Russ Cox <rsc@golang.org>
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@ -5,3 +5,4 @@
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package fmt
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var IsSpace = isSpace
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var Parsenum = parsenum
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@ -1737,3 +1737,26 @@ func TestFormatterFlags(t *testing.T) {
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}
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}
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}
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func TestParsenum(t *testing.T) {
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testCases := []struct {
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s string
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start, end int
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num int
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isnum bool
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newi int
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}{
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{"a123", 0, 4, 0, false, 0},
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{"1234", 1, 1, 0, false, 1},
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{"123a", 0, 4, 123, true, 3},
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{"12a3", 0, 4, 12, true, 2},
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{"1234", 0, 4, 1234, true, 4},
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{"1a234", 1, 3, 0, false, 1},
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}
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for _, tt := range testCases {
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num, isnum, newi := Parsenum(tt.s, tt.start, tt.end)
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if num != tt.num || isnum != tt.isnum || newi != tt.newi {
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t.Errorf("parsenum(%q, %d, %d) = %d, %v, %d, want %d, %v, %d", tt.s, tt.start, tt.end, num, isnum, newi, tt.num, tt.isnum, tt.newi)
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}
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}
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}
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