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Unit testing builtins

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This commit is contained in:
Robert Bendun 2022-06-19 17:44:42 +02:00
parent 29f9a4467c
commit 854b72cf35
2 changed files with 140 additions and 2 deletions
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5
src/interpreter.cc
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@ -541,11 +541,12 @@ error:
assert(!args.empty(), "rotate requires offset"); // TODO(assert)
auto offset = std::move(args.front()).n.as_int();
auto array = Try(into_flat_array(i, std::span(args).subspan(1)));
offset = offset % array.elements.size();
if (offset > 0) {
offset = offset % array.elements.size();
std::rotate(array.elements.begin(), array.elements.begin() + offset, array.elements.end());
} else if (offset < 0) {
std::rotate(array.elements.rbegin(), array.elements.rbegin() + (-offset), array.elements.rend());
offset = -offset % array.elements.size();
std::rotate(array.elements.rbegin(), array.elements.rbegin() + offset, array.elements.rend());
}
return Value::from(std::move(array));
});

137
src/tests/interpreter.cc
View File

@ -45,6 +45,7 @@ suite intepreter_test = [] {
evaluates_to(Value::from(true), "true");
evaluates_to(Value::from(Number(10)), "10");
evaluates_to(Value{}, "nil");
evaluates_to(Value::from("foo"), "'foo");
};
should("evaluate arithmetic") = [] {
@ -128,6 +129,10 @@ suite intepreter_test = [] {
evaluates_to(Value::from(Number(42)), "var x = [i|i] 42; x");
};
should("allow modifying declared variable") = [] {
evaluates_to(Value::from(Number(43)), "var x = 42; x = 43; 10; x");
};
should("support array programming") = [] {
evaluates_to(Value::from(Array { .elements = {{
Value::from(Number(2)),
@ -275,5 +280,137 @@ suite intepreter_test = [] {
quit = true;
};
};
should("Update value of array with 'update'") = [] {
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(1)), Value::from(Number(10)), Value::from(Number(3))
}}), "update [1;2;3] 1 10");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(1)), Value::from(Number(10)), Value::from(Number(3))
}}), "update (flat 1 2 3) 1 10");
};
should("Support 'reverse' operation") = [] {
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(1)), Value::from(Number(2)), Value::from(Number(3))
}}), "reverse 3 2 1");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(1)), Value::from(Number(2)), Value::from(Number(3))
}}), "reverse (flat 3 2) 1");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(1)), Value::from(Number(2)), Value::from(Number(3))
}}), "reverse [3;2] 1");
};
should("Support 'min' operation") = [] {
evaluates_to(Value::from(Number(10)), "min 10 20");
evaluates_to(Value::from(Number(10)), "min 20 10");
evaluates_to(Value::from(Chord { .notes = { Note { .base = 0 } } }), "min c d");
evaluates_to(Value::from(Chord { .notes = { Note { .base = 0 } } }), "min d c");
};
should("Support 'max' operation") = [] {
evaluates_to(Value::from(Number(20)), "max 10 20");
evaluates_to(Value::from(Number(20)), "max 20 10");
evaluates_to(Value::from(Chord { .notes = { Note { .base = 2 } } }), "max c d");
evaluates_to(Value::from(Chord { .notes = { Note { .base = 2 } } }), "max d c");
};
should("Support 'rotate' operation") = [] {
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(1)),
Value::from(Number(2)),
Value::from(Number(3)),
Value::from(Number(4)),
Value::from(Number(5)),
}}), "rotate 0 [1;2;3;4;5]");
should("Support 'rotate' to right via negative rotation index") = [] {
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(5)),
Value::from(Number(1)),
Value::from(Number(2)),
Value::from(Number(3)),
Value::from(Number(4)),
}}), "rotate (0-1) [1;2;3;4;5]");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(4)),
Value::from(Number(5)),
Value::from(Number(1)),
Value::from(Number(2)),
Value::from(Number(3)),
}}), "rotate (0-2) [1;2;3;4;5]");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(3)),
Value::from(Number(4)),
Value::from(Number(5)),
Value::from(Number(1)),
Value::from(Number(2)),
}}), "rotate (0-3) [1;2;3;4;5]");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(2)),
Value::from(Number(3)),
Value::from(Number(4)),
Value::from(Number(5)),
Value::from(Number(1)),
}}), "rotate (0-4) [1;2;3;4;5]");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(1)),
Value::from(Number(2)),
Value::from(Number(3)),
Value::from(Number(4)),
Value::from(Number(5)),
}}), "rotate (0-5) [1;2;3;4;5]");
};
};
should("Support 'rotate' to left via positive rotation index") = [] {
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(2)),
Value::from(Number(3)),
Value::from(Number(4)),
Value::from(Number(5)),
Value::from(Number(1)),
}}), "rotate 1 [1;2;3;4;5]");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(3)),
Value::from(Number(4)),
Value::from(Number(5)),
Value::from(Number(1)),
Value::from(Number(2)),
}}), "rotate 2 [1;2;3;4;5]");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(4)),
Value::from(Number(5)),
Value::from(Number(1)),
Value::from(Number(2)),
Value::from(Number(3)),
}}), "rotate 3 [1;2;3;4;5]");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(5)),
Value::from(Number(1)),
Value::from(Number(2)),
Value::from(Number(3)),
Value::from(Number(4)),
}}), "rotate 4 [1;2;3;4;5]");
evaluates_to(Value::from(Array { .elements = {
Value::from(Number(1)),
Value::from(Number(2)),
Value::from(Number(3)),
Value::from(Number(4)),
Value::from(Number(5)),
}}), "rotate 5 [1;2;3;4;5]");
};
};
};