Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

forth: Add canonical data #394

Merged
merged 1 commit into from
Oct 17, 2016
Merged

forth: Add canonical data #394

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
334 changes: 334 additions & 0 deletions exercises/forth/canonical-data.json
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -0,0 +1,334 @@
{
"#": [
"The cases are split into multiple sections, all with the same structure.",
"In all cases, the `expected` key is the resulting stack",
"after executing the Forth program contained in the `input` key."
],
"parsing and numbers": {
"cases": [
{
"description": "empty input results in empty stack",
"input": [],
"expected": []
},
{
"description": "numbers just get pushed onto the stack",
"input": [
"1 2 3 4 5"
],
"expected": [1, 2, 3, 4, 5]
},
{
"description": "all non-word characters are separators",
"input": [
"1\u00002\u00133\n4\r5 6\t7"
Copy link
Member Author

Choose a reason for hiding this comment

The reason will be displayed to describe this comment to others. Learn more.

Garbage. This \u0013 is a "device control 3". The original exercism/exercism#1188 meant for this to be \u0001, "start of heading" (whatever that is).

My fault. Sorry.

],
"expected": [1, 2, 3, 4, 5, 6, 7]
}
]
},
"addition": {
"cases": [
{
"description": "can add two numbers",
"input": [
"1 2 +"
],
"expected": [3]
},
{
"description": "errors if there is nothing on the stack",
"input": [
"+"
],
"expected": null
},
{
"description": "errors if there is only one value on the stack",
"input": [
"1 +"
],
"expected": null
}
]
},
"subtraction": {
"cases": [
{
"description": "can subtract two numbers",
"input": [
"3 4 -"
],
"expected": [-1]
},
{
"description": "errors if there is nothing on the stack",
"input": [
"-"
],
"expected": null
},
{
"description": "errors if there is only one value on the stack",
"input": [
"1 -"
],
"expected": null
}
]
},
"multiplication": {
"cases": [
{
"description": "can multiply two numbers",
"input": [
"2 4 *"
],
"expected": [8]
},
{
"description": "errors if there is nothing on the stack",
"input": [
"*"
],
"expected": null
},
{
"description": "errors if there is only one value on the stack",
"input": [
"1 *"
],
"expected": null
}
]
},
"division": {
"cases": [
{
"description": "can divide two numbers",
"input": [
"12 3 /"
],
"expected": [4]
},
{
"description": "performs integer division",
"input": [
"8 3 /"
],
"expected": [2]
},
{
"description": "errors if dividing by zero",
"input": [
"4 0 /"
],
"expected": null
},
{
"description": "errors if there is nothing on the stack",
"input": [
"/"
],
"expected": null
},
{
"description": "errors if there is only one value on the stack",
"input": [
"1 /"
],
"expected": null
}
]
},
"combined arithmetic": {
"cases": [
{
"description": "addition and subtraction",
"input": [
"1 2 + 4 -"
],
"expected": [-1]
},
{
"description": "multiplication and division",
"input": [
"2 4 * 3 /"
],
"expected": [2]
}
]
},
"dup": {
"cases": [
{
"description": "copies the top value on the stack",
"input": [
"1 DUP"
],
"expected": [1, 1]
},
{
"description": "is case-insensitive",
"input": [
"1 2 Dup"
],
"expected": [1, 2, 2]
},
{
"description": "errors if there is nothing on the stack",
"input": [
"dup"
],
"expected": null
}
]
},
"drop": {
"cases": [
{
"description": "removes the top value on the stack if it is the only one",
"input": [
"1 drop"
],
"expected": []
},
{
"description": "removes the top value on the stack if it not is the only one",
"input": [
"1 2 drop"
],
"expected": [1]
},
{
"description": "errors if there is nothing on the stack",
"input": [
"drop"
],
"expected": null
}
]
},
"swap": {
"cases": [
{
"description": "swaps the top two values on the stack if they are the only ones",
"input": [
"1 2 swap"
],
"expected": [2, 1]
},
{
"description": "swaps the top two values on the stack if they are not the only ones",
"input": [
"1 2 3 swap"
],
"expected": [1, 3, 2]
},
{
"description": "errors if there is nothing on the stack",
"input": [
"swap"
],
"expected": null
},
{
"description": "errors if there is only one value on the stack",
"input": [
"1 swap"
],
"expected": null
}
]
},
"over": {
"cases": [
{
"description": "copies the second element if there are only two",
"input": [
"1 2 over"
],
"expected": [1, 2, 1]
},
{
"description": "copies the second element if there are more than two",
"input": [
"1 2 3 over"
],
"expected": [1, 2, 3, 2]
},
{
"description": "errors if there is nothing on the stack",
"input": [
"over"
],
"expected": null
},
{
"description": "errors if there is only one value on the stack",
"input": [
"1 over"
],
"expected": null
}
]
},
"user-defined words": {
"cases": [
{
"description": "can consist of built-in words",
"input": [
": dup-twice dup dup ;",
"1 dup-twice"
],
"expected": [1, 1, 1]
},
{
"description": "execute in the right order",
"input": [
": countup 1 2 3 ;",
"countup"
],
"expected": [1, 2, 3]
},
{
"description": "can override other user-defined words",
"input": [
": foo dup ;",
": foo dup dup ;",
"1 foo"
],
"expected": [1, 1, 1]
},
{
"description": "can override built-in words",
"input": [
": swap dup ;",
"1 swap"
],
"expected": [1, 1]
},
{
"description": "can consist of arbitrary characters such as Unicode characters",
"input": [
": € 220371 ; €"
],
"expected": [220371]
},
{
"description": "cannot redefine numbers",
"input": [
": 1 2 ;"
],
"expected": null
},
{
"description": "errors if executing a non-existent word",
"input": [
"foo"
],
"expected": null
}
]
}
}