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Tests for every branch of the constant-divisor fold, arg errors naming the spelling, and shell numbers at the CLI
Tests / vet + fmt + tests (pull_request) Failing after 43s
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Lilleman auf Larv
2026-09-02 19:24:46 +02:00
parent c5304bb6e7
commit a9552ed966
3 changed files with 35 additions and 3 deletions
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calc_test.go
+13 -3
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@@ -247,11 +247,21 @@ func TestCalcOverANeverNumericOperandIsRejected(t *testing.T) {
}
func TestCalcConstantZeroDivisorIsRejected(t *testing.T) {
for _, bad := range []string{`"{calc(1/0)}"`, `"{calc(2/(1-1))}"`, `{"format":"{calc(x/y)}","x":"1","y":"0"}`, `{"format":"{calc(x/(y*2))}","x":"1","y":" 0 "}`} {
if _, err := compile(parse(t, bad)); err == nil || !strings.Contains(err.Error(), "zero") {
t.Errorf("compile(%s) = %v, want the constant zero divisor rejected", bad, err)
for src, want := range map[string]string{
`"{calc(1/0)}"`: "divides by 0",
`"{calc(2/(1-1))}"`: "divides by (1 - 1)",
`{"format":"{calc(x/y)}","x":"1","y":"0"}`: "divides by y",
`{"format":"{calc(x/(y*2))}","x":"1","y":" 0 "}`: "divides by (y * 2)",
`{"format":"{calc((a/0)+b)}","a":"1","b":"2"}`: "divides by 0",
`{"format":"{calc(a/-0)}","a":"1"}`: "divides by -0",
} {
if _, err := compile(parse(t, src)); err == nil || !strings.Contains(err.Error(), want) {
t.Errorf("compile(%s) = %v, want the constant zero divisor rejected naming %q", src, err, want)
}
}
if _, err := compile(parse(t, `{"format":"{calc(a/(b*c))}","a":"1","b":"0","c":["1","2"]}`)); err != nil {
t.Errorf("compile(a/(b*c)) = %v, want a divisor that varies accepted", err)
}
f := engine(1)
for i := 0; i < 50; i++ {
if got := mustRender(t, f, `{"format":"{calc(x/y)}","x":"1","y":["0","1"]}`); got == "+Inf" {