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Fix numeric unparsing for floats which represent integer values #686

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merged 1 commit into from
Apr 24, 2023
Merged

Fix numeric unparsing for floats which represent integer values #686

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3 changes: 3 additions & 0 deletions parser/unparser.go
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Original file line number Diff line number Diff line change
Expand Up @@ -276,6 +276,9 @@ func (un *unparser) visitConst(expr *exprpb.Expr) error {
// represent the float using the minimum required digits
d := strconv.FormatFloat(c.GetDoubleValue(), 'g', -1, 64)
un.str.WriteString(d)
if !strings.Contains(d, ".") {
un.str.WriteString(".0")
}
case *exprpb.Constant_Int64Value:
i := strconv.FormatInt(c.GetInt64Value(), 10)
un.str.WriteString(i)
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5 changes: 5 additions & 0 deletions parser/unparser_test.go
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Expand Up @@ -68,6 +68,11 @@ func TestUnparse(t *testing.T) {
{name: "func_in", in: `a in b`},
{name: "list_empty", in: `[]`},
{name: "list_one", in: `[1]`},
{name: "list_ints", in: `[1, 2, 3]`},
{name: "list_doubles", in: `[1.0, 2.0, 3.0]`},
{name: "list_doubles", in: `[1.1, 2.1, 3.1]`},
{name: "list_uints", in: `[1u, 2u, 3u]`},
{name: "list_numeric", in: `[1, 2.0, 3u]`},
{name: "list_many", in: `["hello, world", "goodbye, world", "sure, why not?"]`},
{name: "lit_bytes", in: `b"\303\203\302\277"`},
{name: "lit_double", in: `-42.101`},
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