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Add context tests

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This commit is contained in:
Jeff 2024-08-11 22:47:52 -04:00
parent 2463e44301
commit 0e3a3e94c8
1 changed files with 50 additions and 0 deletions
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50
dust-lang/src/context.rs
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@ -143,4 +143,54 @@ mod tests {
assert_eq!(context.variables.len(), 1);
}
#[test]
fn context_removes_used_variables() {
let source = "
x = 5
y = 10
z = x + y
z
";
let mut context = Context::new();
run_with_context(source, &mut context).unwrap();
assert_eq!(context.variables.len(), 0);
}
#[test]
fn context_does_not_remove_variables_during_loop() {
let source = "
x = 5
y = 10
z = x + y
while z < 10 {
z = z + 1
}
";
let mut context = Context::new();
run_with_context(source, &mut context).unwrap();
assert_eq!(context.variables.len(), 1);
}
#[test]
fn context_removes_variables_after_loop() {
let source = "
x = 5
y = 10
z = x + y
while z < 10 {
z = z + 1
}
z
";
let mut context = Context::new();
run_with_context(source, &mut context).unwrap();
assert_eq!(context.variables.len(), 0);
}
}