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Merged
kotp merged 1 commit into from
Jul 10, 2026
Merged

sync state-of-tic-tac-toe bob #561

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3 changes: 3 additions & 0 deletions exercises/practice/bob/.meta/tests.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -53,6 +53,9 @@ reimplements = "66953780-165b-4e7e-8ce3-4bcb80b6385a"
[d6c98afd-df35-4806-b55e-2c457c3ab748]
description = "shouting gibberish"

[3c954328-86fb-4c71-8961-e18d6a5e2517]
description = "shouting a statement containing a question mark"

@keiravillekode keiravillekode Jul 10, 2026

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The test is already implemented


[a20e0c54-2224-4dde-8b10-bd2cdd4f61bc]
description = "shouting numbers"

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108 changes: 30 additions & 78 deletions exercises/practice/bob/test_bob.zig
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Expand Up @@ -3,158 +3,110 @@ const testing = std.testing;

const response = @import("bob.zig").response;

fn testResponse(s: []const u8, expected: []const u8) !void {
try testing.expectEqualStrings(expected, response(s));
}

test "asking a question" {
const expected = "Sure.";
const actual = response("Does this cryogenic chamber make me look fat?");
try testing.expectEqualStrings(expected, actual);
try testResponse("Does this cryogenic chamber make me look fat?", "Sure.");
}

test "shouting" {
const expected = "Whoa, chill out!";
const actual = response("WATCH OUT!");
try testing.expectEqualStrings(expected, actual);
try testResponse("WATCH OUT!", "Whoa, chill out!");
}

test "forceful question" {
const expected = "Calm down, I know what I'm doing!";
const actual = response("WHAT'S GOING ON?");
try testing.expectEqualStrings(expected, actual);
try testResponse("WHAT'S GOING ON?", "Calm down, I know what I'm doing!");
}

test "silence" {
const expected = "Fine. Be that way!";
const actual = response("");
try testing.expectEqualStrings(expected, actual);
try testResponse("", "Fine. Be that way!");
}

test "stating something" {
const expected = "Whatever.";
const actual = response("Tom-ay-to, tom-aaaah-to.");
try testing.expectEqualStrings(expected, actual);
try testResponse("Tom-ay-to, tom-aaaah-to.", "Whatever.");
}

test "asking a numeric question" {
const expected = "Sure.";
const actual = response("You are, what, like 15?");
try testing.expectEqualStrings(expected, actual);
try testResponse("You are, what, like 15?", "Sure.");
}

test "asking gibberish" {
const expected = "Sure.";
const actual = response("fffbbcbeab?");
try testing.expectEqualStrings(expected, actual);
try testResponse("fffbbcbeab?", "Sure.");
}

test "question with no letters" {
const expected = "Sure.";
const actual = response("4?");
try testing.expectEqualStrings(expected, actual);
try testResponse("4?", "Sure.");
}

test "non-letters with question" {
const expected = "Sure.";
const actual = response(":) ?");
try testing.expectEqualStrings(expected, actual);
try testResponse(":) ?", "Sure.");
}

test "prattling on" {
const expected = "Sure.";
const actual = response("Wait! Hang on. Are you going to be OK?");
try testing.expectEqualStrings(expected, actual);
try testResponse("Wait! Hang on. Are you going to be OK?", "Sure.");
}

test "ending with whitespace" {
const expected = "Sure.";
const actual = response("Okay if like my spacebar quite a bit? ");
try testing.expectEqualStrings(expected, actual);
try testResponse("Okay if like my spacebar quite a bit? ", "Sure.");
}

test "multiple line question" {
const expected = "Sure.";
const actual = response("\nDoes this cryogenic chamber make\n me look fat?");
try testing.expectEqualStrings(expected, actual);
try testResponse("\nDoes this cryogenic chamber make\n me look fat?", "Sure.");
}

test "shouting gibberish" {
const expected = "Whoa, chill out!";
const actual = response("FCECDFCAAB");
try testing.expectEqualStrings(expected, actual);
try testResponse("FCECDFCAAB", "Whoa, chill out!");
}

test "shouting a statement containing a question mark" {
const expected = "Whoa, chill out!";
const actual = response("DO LIONS EAT PEOPLE? AHHHHH.");
try testing.expectEqualStrings(expected, actual);
try testResponse("DO LIONS EAT PEOPLE? AHHHHH.", "Whoa, chill out!");
}

test "shouting numbers" {
const expected = "Whoa, chill out!";
const actual = response("1, 2, 3 GO!");
try testing.expectEqualStrings(expected, actual);
try testResponse("1, 2, 3 GO!", "Whoa, chill out!");
}

test "shouting with special characters" {
const expected = "Whoa, chill out!";
const actual = response("ZOMG THE %^*@#$(*^ ZOMBIES ARE COMING!!11!!1!");
try testing.expectEqualStrings(expected, actual);
try testResponse("ZOMG THE %^*@#$(*^ ZOMBIES ARE COMING!!11!!1!", "Whoa, chill out!");
}

test "shouting with no exclamation mark" {
const expected = "Whoa, chill out!";
const actual = response("I HATE THE DENTIST");
try testing.expectEqualStrings(expected, actual);
try testResponse("I HATE THE DENTIST", "Whoa, chill out!");
}

test "prolonged silence" {
const expected = "Fine. Be that way!";
const actual = response(" ");
try testing.expectEqualStrings(expected, actual);
try testResponse(" ", "Fine. Be that way!");
}

test "alternate silence" {
const expected = "Fine. Be that way!";
const actual = response("\t\t\t\t\t\t\t\t\t\t");
try testing.expectEqualStrings(expected, actual);
try testResponse("\t\t\t\t\t\t\t\t\t\t", "Fine. Be that way!");
}

test "other whitespace" {
const expected = "Fine. Be that way!";
const actual = response("\n\r \t");
try testing.expectEqualStrings(expected, actual);
try testResponse("\n\r \t", "Fine. Be that way!");
}

test "talking forcefully" {
const expected = "Whatever.";
const actual = response("Hi there!");
try testing.expectEqualStrings(expected, actual);
try testResponse("Hi there!", "Whatever.");
}

test "using acronyms in regular speech" {
const expected = "Whatever.";
const actual = response("It's OK if you don't want to go work for NASA.");
try testing.expectEqualStrings(expected, actual);
try testResponse("It's OK if you don't want to go work for NASA.", "Whatever.");
}

test "no letters" {
const expected = "Whatever.";
const actual = response("1, 2, 3");
try testing.expectEqualStrings(expected, actual);
try testResponse("1, 2, 3", "Whatever.");
}

test "statement containing question mark" {
const expected = "Whatever.";
const actual = response("Ending with ? means a question.");
try testing.expectEqualStrings(expected, actual);
try testResponse("Ending with ? means a question.", "Whatever.");
}

test "starting with whitespace" {
const expected = "Whatever.";
const actual = response(" hmmmmmmm...");
try testing.expectEqualStrings(expected, actual);
try testResponse(" hmmmmmmm...", "Whatever.");
}

test "non-question ending with whitespace" {
const expected = "Whatever.";
const actual = response("This is a statement ending with whitespace ");
try testing.expectEqualStrings(expected, actual);
try testResponse("This is a statement ending with whitespace ", "Whatever.");
}
14 changes: 7 additions & 7 deletions exercises/practice/state-of-tic-tac-toe/.meta/example.zig
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Expand Up @@ -38,19 +38,19 @@ pub fn gameState(board: []const []const u8) GameState {
current = current << 1;
}

if (countO > countX) {
// Wrong turn order: O started
const winX = isWin(bitsetX);
const winO = isWin(bitsetO);

if (countO + @intFromBool(winX) > countX) {
// Wrong turn order: O started, or O kept playing after X wins
return .impossible;
}

if (countX > countO + 1) {
// Wrong turn order: X went twice
if (countX + @intFromBool(winO) > countO + 1) {
// Wrong turn order: X went twice, or X kept playing after O wins
return .impossible;
}

const winX = isWin(bitsetX);
const winO = isWin(bitsetO);

if (winX or winO) {
if (winX and winO) {
// Impossible board: game should have ended after the game was won
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6 changes: 6 additions & 0 deletions exercises/practice/state-of-tic-tac-toe/.meta/tests.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -99,3 +99,9 @@ reimplements = "b1dc8b13-46c4-47db-a96d-aa90eedc4e8d"

[4801cda2-f5b7-4c36-8317-3cdd167ac22c]
description = "Invalid boards -> Invalid board: players kept playing after a win"

[5a84757a-fc86-4328-aec9-a5759e6ed35d]
description = "Invalid boards -> Invalid board: O kept playing after X wins"

[cf25543d-583a-4656-b9ab-f82dc00a4a02]
description = "Invalid boards -> Invalid board: X kept playing after O wins"
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