46 lines
2.2 KiB
Go
46 lines
2.2 KiB
Go
// Copyright (c) 2024 Celestino Amoroso (celestino.amoroso@gmail.com).
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// All rights reserved.
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// funcs_test.go
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package expr
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import (
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"errors"
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"testing"
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)
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func TestFuncs(t *testing.T) {
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inputs := []inputType{
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/* 1 */ {`isNil(nil)`, true, nil},
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/* 2 */ {`v=nil; isNil(v)`, true, nil},
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/* 3 */ {`v=5; isNil(v)`, false, nil},
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/* 4 */ {`int(true)`, int64(1), nil},
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/* 5 */ {`int(false)`, int64(0), nil},
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/* 6 */ {`int(3.1)`, int64(3), nil},
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/* 7 */ {`int(3.9)`, int64(3), nil},
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/* 8 */ {`int("432")`, int64(432), nil},
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/* 9 */ {`int("1.5")`, nil, errors.New(`strconv.Atoi: parsing "1.5": invalid syntax`)},
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/* 10 */ {`int("432", 4)`, nil, errors.New(`int() requires exactly one param`)},
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/* 11 */ {`int(nil)`, nil, errors.New(`int() can't convert <nil> to int`)},
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/* 12 */ {`two=func(){2}; two()`, int64(2), nil},
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/* 13 */ {`double=func(x) {2*x}; (double(3))`, int64(6), nil},
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/* 14 */ {`double=func(x){2*x}; double(3)`, int64(6), nil},
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/* 15 */ {`double=func(x){2*x}; a=5; double(3+a) + 1`, int64(17), nil},
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/* 16 */ {`double=func(x){2*x}; a=5; two=func() {2}; (double(3+a) + 1) * two()`, int64(34), nil},
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/* 17 */ {`builtin "import"; import("./test-funcs.expr"); (double(3+a) + 1) * two()`, int64(34), nil},
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/* 18 */ {`builtin "import"; import("test-funcs.expr"); (double(3+a) + 1) * two()`, int64(34), nil},
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/* 19 */ {`@x="hello"; @x`, nil, errors.New(`[1:3] variable references are not allowed in top level expressions: "@x"`)},
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/* 20 */ {`f=func(){@x="hello"}; f(); x`, "hello", nil},
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/* 21 */ {`f=func(@y){@y=@y+1}; f(2); y`, int64(3), nil},
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/* 22 */ {`f=func(@y){g=func(){@x=5}; @y=@y+g()}; f(2); y+x`, nil, errors.New(`undefined variable or function "x"`)},
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/* 23 */ {`f=func(@y){g=func(){@x=5}; @z=g(); @y=@y+@z}; f(2); y+z`, int64(12), nil},
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/* 24 */ {`f=func(@y){g=func(){@x=5}; g(); @z=x; @y=@y+@z}; f(2); y+z`, int64(12), nil},
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/* 25 */ {`f=func(@y){g=func(){@x=5}; g(); @z=x; @x=@y+@z}; f(2); y+x`, int64(9), nil},
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/* 26 */ {`builtin "import"; importAll("./test-funcs.expr"); six()`, int64(6), nil},
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/* 27 */ {`builtin "import"; import("./sample-export-all.expr"); six()`, int64(6), nil},
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}
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// parserTest(t, "Func", inputs[25:26])
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parserTest(t, "Func", inputs)
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}
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