Fix handling of floats with multiple leading zeroes (#4065)
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@ -122,7 +122,7 @@ unsigned =
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( digit | ( non_zero_digit digit* ) );
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number =
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( integer ( '.' digit* )? ) | ( '.' digit* );
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'-'? (digit+ ('.' digit*)? | '.' digit+);
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scientific =
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number 'e'i ["\-+"]? digit+;
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@ -517,6 +517,55 @@ var tests = []struct {
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},
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},
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},
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{
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name: "float without integer digits negative",
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input: []byte("cpu value=-.42"),
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results: []Result{
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Result{
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Name: Measurement,
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Value: []byte("cpu"),
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},
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Result{
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Name: FieldKey,
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Value: []byte("value"),
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},
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Result{
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Name: FieldFloat,
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Value: []byte("-.42"),
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},
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},
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},
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{
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name: "float with multiple leading 0",
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input: []byte("cpu value=00.42"),
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results: []Result{
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Result{
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Name: Measurement,
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Value: []byte("cpu"),
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},
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Result{
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Name: FieldKey,
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Value: []byte("value"),
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},
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Result{
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Name: FieldFloat,
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Value: []byte("00.42"),
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},
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},
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},
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{
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name: "invalid float with only dot",
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input: []byte("cpu value=."),
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results: []Result{
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Result{
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Name: Measurement,
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Value: []byte("cpu"),
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},
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Result{
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err: ErrFieldParse,
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},
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},
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},
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{
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name: "multiple fields",
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input: []byte("cpu x=42,y=42"),
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