71 lines
2.5 KiB
Plaintext
71 lines
2.5 KiB
Plaintext
open Jest
|
|
open Reducer_TestHelpers
|
|
|
|
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.)",
|
|
)
|
|
})
|
|
|
|
describe("symbol not defined", () => {
|
|
testEvalToBe("f(x)=x(y); f(f)", "Error(y is not defined)")
|
|
testEvalToBe("f(x)=x; f(f)", "Ok(lambda(x=>internal code))")
|
|
testEvalToBe("f(x)=x(y); f(z)", "Error(z is not defined)")
|
|
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)")
|
|
})
|
|
|
|
Only.describe("call and bindings", () => {
|
|
testEvalToBe("f(x)=x+1", "Ok({f: lambda(x=>internal code)})")
|
|
testEvalToBe("f(x)=x+1; f(1)", "Ok(2)")
|
|
testEvalToBe("f=1;y=2", "Ok({f: 1,y: 2})")
|
|
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)")
|
|
testEvalToBe("f(x)=x+1; y=f(1); z=f(1)", "Ok({f: lambda(x=>internal code),y: 2,z: 2})")
|
|
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)",
|
|
"Ok((:$$block (:$$block (:$let :f 99) (:$let :g (:$$lambda [x] (:$$block :f))) (:g 2))))",
|
|
)
|
|
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)")
|
|
})
|
|
|
|
Skip.describe("function trics", () => {
|
|
MySkip.testParseToBe("f(x)=f(y)=2; f(2)", "????") // TODO: No multiple assignment
|
|
MySkip.testEvalToBe("f(x)=f(y)=2; f(2)", "????") // TODO: No multiple assignment
|
|
MySkip.testEvalToBe("y=2;g(x)=y+1;g(2)", "????") //TODO : y is not found
|
|
MySkip.testEvalToBe("y=2;g(x)=inspect(y)+1", "????") //TODO : 666
|
|
})
|