2022-05-02 09:43:09 +00:00
|
|
|
open Jest
|
|
|
|
open Reducer_TestHelpers
|
|
|
|
|
2022-05-02 10:55:28 +00:00
|
|
|
describe("Arity check", () => {
|
|
|
|
testEvalToBe("f(x,y) = x + y; f(1,2)", "Ok(3)")
|
|
|
|
testEvalToBe(
|
|
|
|
"f(x,y) = x + y; f(1)",
|
|
|
|
"Error(2 arguments expected. Instead 1 argument(s) were passed.)",
|
|
|
|
)
|
|
|
|
testEvalToBe(
|
|
|
|
"f(x,y) = x + y; f(1,2,3)",
|
|
|
|
"Error(2 arguments expected. Instead 3 argument(s) were passed.)",
|
|
|
|
)
|
|
|
|
testEvalToBe(
|
|
|
|
"f(x,y)=x+y; f(1,2,3,4)",
|
|
|
|
"Error(2 arguments expected. Instead 4 argument(s) were passed.)",
|
|
|
|
)
|
|
|
|
testEvalToBe(
|
|
|
|
"f(x,y)=x+y; f(1)",
|
|
|
|
"Error(2 arguments expected. Instead 1 argument(s) were passed.)",
|
|
|
|
)
|
|
|
|
testEvalToBe(
|
|
|
|
"f(x,y)=x(y); f(f)",
|
|
|
|
"Error(2 arguments expected. Instead 1 argument(s) were passed.)",
|
|
|
|
)
|
|
|
|
testEvalToBe("f(x)=x; f(f)", "Ok(lambda(x=>internal code))")
|
|
|
|
testEvalToBe(
|
|
|
|
"f(x,y)=x(y); f(z)",
|
|
|
|
"Error(2 arguments expected. Instead 1 argument(s) were passed.)",
|
|
|
|
)
|
|
|
|
})
|
2022-05-02 10:23:37 +00:00
|
|
|
|
2022-05-02 15:52:59 +00:00
|
|
|
describe("symbol not defined", () => {
|
2022-05-02 10:55:28 +00:00
|
|
|
testEvalToBe("f(x)=x(y); f(f)", "Error(y is not defined)")
|
|
|
|
testEvalToBe("f(x)=x; f(f)", "Ok(lambda(x=>internal code))")
|
2022-05-02 13:22:01 +00:00
|
|
|
testEvalToBe("f(x)=x(y); f(z)", "Error(z is not defined)")
|
2022-05-02 13:47:35 +00:00
|
|
|
testEvalToBe("f(x)=x(y); f(2)", "Error(2 is not a function)")
|
|
|
|
testEvalToBe("f(x)=x(1); f(2)", "Error(2 is not a function)")
|
2022-05-02 15:52:59 +00:00
|
|
|
})
|
|
|
|
|
2022-05-02 21:18:36 +00:00
|
|
|
describe("call and bindings", () => {
|
2022-05-02 16:44:35 +00:00
|
|
|
testEvalToBe("f(x)=x+1", "Ok({f: lambda(x=>internal code)})")
|
|
|
|
testEvalToBe("f(x)=x+1; f(1)", "Ok(2)")
|
2022-05-02 15:52:59 +00:00
|
|
|
testEvalToBe("f=1;y=2", "Ok({f: 1,y: 2})")
|
2022-05-02 16:44:35 +00:00
|
|
|
testEvalToBe("f(x)=x+1; y=f(1)", "Ok({f: lambda(x=>internal code),y: 2})")
|
|
|
|
testEvalToBe("f(x)=x+1; y=f(1); f(1)", "Ok(2)")
|
2022-05-02 15:52:59 +00:00
|
|
|
testEvalToBe("f(x)=x+1; y=f(1); z=f(1)", "Ok({f: lambda(x=>internal code),y: 2,z: 2})")
|
2022-05-02 16:44:35 +00:00
|
|
|
testEvalToBe(
|
|
|
|
"f(x)=x+1; g(x)=f(x)+1",
|
|
|
|
"Ok({f: lambda(x=>internal code),g: lambda(x=>internal code)})",
|
|
|
|
)
|
|
|
|
testParseToBe(
|
|
|
|
"f=99; g(x)=f; g(2)",
|
2022-05-05 19:45:25 +00:00
|
|
|
"Ok((:$$block (:$let :f (:$$block 99)) (:$let :g (:$$lambda [x] (:$$block :f))) (:g 2)))",
|
2022-05-02 16:44:35 +00:00
|
|
|
)
|
|
|
|
testEvalToBe("f=99; g(x)=f; g(2)", "Ok(99)")
|
|
|
|
testEvalToBe("f(x)=x; g(x)=f(x); g(2)", "Ok(2)")
|
|
|
|
testEvalToBe(
|
|
|
|
"f(x)=x+1; g(x)=f(x)+1; y=g(2)",
|
|
|
|
"Ok({f: lambda(x=>internal code),g: lambda(x=>internal code),y: 4})",
|
|
|
|
)
|
|
|
|
testEvalToBe("f(x)=x+1; g(x)=f(x)+1; g(2)", "Ok(4)")
|
2022-05-02 15:52:59 +00:00
|
|
|
})
|
|
|
|
|
2022-05-04 19:23:40 +00:00
|
|
|
describe("function tricks", () => {
|
2022-05-05 19:45:25 +00:00
|
|
|
testEvalError("f(x)=f(y)=2; f(2)") //Error because chain assignment is not allowed
|
2022-05-02 21:42:11 +00:00
|
|
|
testEvalToBe("y=2;g(x)=y+1;g(2)", "Ok(3)")
|
|
|
|
testEvalToBe("y=2;g(x)=inspect(y)+1", "Ok({g: lambda(x=>internal code),y: 2})")
|
2022-05-02 22:18:23 +00:00
|
|
|
MySkip.testEvalToBe("f(x) = x(x); f(f)", "????") // TODO: Infinite loop. Any solution? Catching proper exception or timeout?
|
2022-05-02 22:30:41 +00:00
|
|
|
MySkip.testEvalToBe("f(x, x)=x+x; f(1,2)", "????") // TODO: Duplicate parameters
|
2022-05-19 18:25:18 +00:00
|
|
|
testEvalToBe("myadd(x,y)=x+y; z=myadd; z", "Ok(lambda(x,y=>internal code))")
|
|
|
|
testEvalToBe("myadd(x,y)=x+y; z=myadd; z(1, 1)", "Ok(2)")
|
2022-05-05 19:45:25 +00:00
|
|
|
})
|
|
|
|
|
|
|
|
describe("lambda in structures", () => {
|
2022-05-19 18:25:18 +00:00
|
|
|
testEvalToBe(
|
|
|
|
"myadd(x,y)=x+y; z=[myadd]",
|
|
|
|
"Ok({myadd: lambda(x,y=>internal code),z: [lambda(x,y=>internal code)]})",
|
|
|
|
)
|
|
|
|
testEvalToBe("myadd(x,y)=x+y; z=[myadd]; z[0]", "Ok(lambda(x,y=>internal code))")
|
|
|
|
testEvalToBe("myadd(x,y)=x+y; z=[myadd]; z[0](3,2)", "Ok(5)")
|
|
|
|
testEvalToBe("myaddd(x,y)=x+y; z={x: myaddd}; z", "Ok({x: lambda(x,y=>internal code)})")
|
|
|
|
testEvalToBe("myaddd(x,y)=x+y; z={x: myaddd}; z.x", "Ok(lambda(x,y=>internal code))")
|
|
|
|
testEvalToBe("myaddd(x,y)=x+y; z={x: myaddd}; z.x(3,2)", "Ok(5)")
|
2022-05-02 10:55:28 +00:00
|
|
|
})
|
2022-05-05 19:45:25 +00:00
|
|
|
|
|
|
|
describe("ternary and bindings", () => {
|
|
|
|
testEvalToBe("f(x)=x ? 1 : 0; f(true)", "Ok(1)")
|
|
|
|
testEvalToBe("f(x)=x>2 ? 1 : 0; f(3)", "Ok(1)")
|
|
|
|
})
|