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ed07089f3b
* Add a ParseZone test for $GENERATE. * Add a test for modToPrintf used by $GENERATE. * Correctly handle $GENERATE modifiers. As per http://www.zytrax.com/books/dns/ch8/generate.html, the width and type (aka base) components of a modifier are optional. This means that ${2,0,d}, ${2,0} and ${2} are valid modifiers, however only the first format was previously permitted. Use default values for the width and/or type if they are unspecified in the modifier.
40 lines
1.1 KiB
Go
40 lines
1.1 KiB
Go
package dns
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import (
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"testing"
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)
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func TestGenerateModToPrintf(t *testing.T) {
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tests := []struct {
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mod string
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wantFmt string
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wantOffset int
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wantErr bool
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}{
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{"0,0,d", "%0d", 0, false},
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{"0,0", "%0d", 0, false},
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{"0", "%0d", 0, false},
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{"3,2,d", "%02d", 3, false},
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{"3,2", "%02d", 3, false},
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{"3", "%0d", 3, false},
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{"0,0,o", "%0o", 0, false},
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{"0,0,x", "%0x", 0, false},
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{"0,0,X", "%0X", 0, false},
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{"0,0,z", "", 0, true},
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{"0,0,0,d", "", 0, true},
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}
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for _, test := range tests {
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gotFmt, gotOffset, err := modToPrintf(test.mod)
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switch {
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case err != nil && !test.wantErr:
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t.Errorf("modToPrintf(%q) - expected nil-error, but got %v", test.mod, err)
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case err == nil && test.wantErr:
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t.Errorf("modToPrintf(%q) - expected error, but got nil-error", test.mod)
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case gotFmt != test.wantFmt:
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t.Errorf("modToPrintf(%q) - expected format %q, but got %q", test.mod, test.wantFmt, gotFmt)
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case gotOffset != test.wantOffset:
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t.Errorf("modToPrintf(%q) - expected offset %d, but got %d", test.mod, test.wantOffset, gotOffset)
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}
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}
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}
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