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Completed transition of the symbol '|' from fraction to operator binary or. New fraction symbol is ':'.

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Also, fixed and improved some parsing sections concerning collection indeces and ranges
This commit is contained in:
Celestino Amoroso
2024-12-23 06:59:39 +01:00
parent f50ddf48db
commit 6211be8a8f
10 changed files with 109 additions and 93 deletions
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t_fractions_test.go
+22 -19
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@@ -11,36 +11,39 @@ import (
func TestFractionsParser(t *testing.T) {
section := "Fraction"
inputs := []inputType{
/* 1 */ {`1|2`, newFraction(1, 2), nil},
/* 2 */ {`1|2 + 1`, newFraction(3, 2), nil},
/* 3 */ {`1|2 - 1`, newFraction(-1, 2), nil},
/* 4 */ {`1|2 * 1`, newFraction(1, 2), nil},
/* 5 */ {`1|2 * 2|3`, newFraction(2, 6), nil},
/* 6 */ {`1|2 / 2|3`, newFraction(3, 4), nil},
/* 7 */ {`1|"5"`, nil, `denominator must be integer, got string (5)`},
/* 8 */ {`"1"|5`, nil, `numerator must be integer, got string (1)`},
/* 9 */ {`1|+5`, nil, `[1:3] infix operator "|" requires two non-nil operands, got 1`},
/* 10 */ {`1|(-2)`, newFraction(-1, 2), nil},
/* 11 */ {`builtin "math.arith"; add(1|2, 2|3)`, newFraction(7, 6), nil},
/* 12 */ {`builtin "math.arith"; add(1|2, 1.0, 2)`, float64(3.5), nil},
/* 13 */ {`builtin "math.arith"; mul(1|2, 2|3)`, newFraction(2, 6), nil},
/* 14 */ {`builtin "math.arith"; mul(1|2, 1.0, 2)`, float64(1.0), nil},
/* 15 */ {`1|0`, nil, `division by zero`},
/* 1 */ {`1:2`, newFraction(1, 2), nil},
/* 2 */ {`1:2 + 1`, newFraction(3, 2), nil},
/* 3 */ {`1:2 - 1`, newFraction(-1, 2), nil},
/* 4 */ {`1:2 * 1`, newFraction(1, 2), nil},
/* 5 */ {`1:2 * 2:3`, newFraction(2, 6), nil},
/* 6 */ {`1:2 / 2:3`, newFraction(3, 4), nil},
/* 7 */ {`1:"5"`, nil, `denominator must be integer, got string (5)`},
/* 8 */ {`"1":5`, nil, `numerator must be integer, got string (1)`},
/* 9 */ {`1:+5`, newFraction(1, 5), nil},
/* 10 */ {`1:(-2)`, newFraction(-1, 2), nil},
/* 11 */ {`builtin "math.arith"; add(1:2, 2:3)`, newFraction(7, 6), nil},
/* 12 */ {`builtin "math.arith"; add(1:2, 1.0, 2)`, float64(3.5), nil},
/* 13 */ {`builtin "math.arith"; mul(1:2, 2:3)`, newFraction(2, 6), nil},
/* 14 */ {`builtin "math.arith"; mul(1:2, 1.0, 2)`, float64(1.0), nil},
/* 15 */ {`1:0`, nil, `division by zero`},
/* 16 */ {`fract(-0.5)`, newFraction(-1, 2), nil},
/* 17 */ {`fract("")`, (*FractionType)(nil), `bad syntax`},
/* 18 */ {`fract("-1")`, newFraction(-1, 1), nil},
/* 19 */ {`fract("+1")`, newFraction(1, 1), nil},
/* 20 */ {`fract("1a")`, (*FractionType)(nil), `strconv.ParseInt: parsing "1a": invalid syntax`},
/* 21 */ {`fract(1,0)`, nil, `fract(): division by zero`},
/* 22 */ {`string(1|2)`, "1|2", nil},
/* 22 */ {`string(1:2)`, "1:2", nil},
/* 23 */ {`1+1:2+0.5`, float64(2), nil},
/* 24 */ {`1:(2-2)`, nil, `division by zero`},
/* 25 */ {`[0,1][1-1]:1`, newFraction(0, 1), nil},
}
runTestSuiteSpec(t, section, inputs, 1)
// runTestSuite(t, section, inputs)
// runTestSuiteSpec(t, section, inputs, 25)
runTestSuite(t, section, inputs)
}
func TestFractionToStringSimple(t *testing.T) {
source := newFraction(1, 2)
want := "1|2"
want := "1:2"
got := source.ToString(0)
if got != want {
t.Errorf(`(1,2) -> result = %v [%T], want = %v [%T]`, got, got, want, want)