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tests: add more tests on interfaces

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Sandro Martini 2020-05-13 20:30:18 +02:00 committed by GitHub
parent b2e5ae9cd8
commit 9895cab51c
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2 changed files with 26 additions and 7 deletions
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3
vlib/v/checker/checker_test.v
View File

@ -14,11 +14,12 @@ fn test_all() {
files := os.ls(dir) or {
panic(err)
}
tests := files.filter(it.ends_with('.vv'))
mut tests := files.filter(it.ends_with('.vv'))
if tests.len == 0 {
println('no compiler tests found')
assert false
}
tests.sort()
for test in tests {
path := os.join_path(dir, test).replace('\\', '/')
program := path.replace('.vv', '.v')

30
vlib/v/tests/interface_test.v
View File

@ -30,9 +30,9 @@ fn (c mut Cat) set_breed(new string) {
c.breed = new
}
// utility function to convert to string, as a sample
// utility function to override default conversion to string, as a sample
fn (c Cat) str() string {
return 'Cat: $c.breed'
return 'Custom string conversion for Cat: $c.breed'
}
fn (d Dog) speak(s string) {
@ -53,7 +53,8 @@ fn (d mut Dog) set_breed(new string) {
println('Nah')
}
// do not add to Dog the utility function 'str', as a sample
// do not add to Dog the utility function 'str', so the default one will be used, as a sample
fn test_todo() {
if true {
} else {
@ -69,6 +70,8 @@ fn perform_speak(a Animal) {
// assert name == 'Dog'
// }
println(a.name())
println('Got animal of type: ${typeof(a)}') // TODO: get implementation type (if possible)
// assert a is Dog || a is Cat // TODO: enable when available
}
fn perform_speak_on_ptr(a &Animal) {
@ -80,6 +83,8 @@ fn perform_speak_on_ptr(a &Animal) {
// assert name == 'Dog'
// }
println(a.name())
println('Got animal of type: ${typeof(a)}') // TODO: get implementation type (if possible)
// assert a is Dog || a is Cat // TODO: enable when available
}
fn test_perform_speak() {
@ -130,22 +135,35 @@ fn test_perform_name_detailed() {
dog := Dog{
breed: 'Labrador Retriever'
}
println('Test on Dog: $dog ...')
println('Test on Dog: $dog ...') // using default conversion to string
perform_name_detailed(dog)
cat := Cat{}
println('Test on Cat: $cat ...')
println('Test on empty Cat: $cat ...')
perform_speak(cat)
println('Test on another Cat: ...')
println('Test on a Persian Cat: ...')
perform_speak(Cat{
breed: 'Persian'
})
cat_persian2 := Cat{
breed: 'Persian'
}
println('Test on another Persian Cat: "$cat_persian2" ...')
perform_speak(cat_persian2)
cat_persian2_str := cat_persian2.str()
println("Persian Cat 2: '$cat_persian2_str' ...")
assert cat_persian2_str == "Custom string conversion for Cat: Persian"
println('Test (dummy/empty) on array of animals ...')
handle_animals([dog, cat])
handle_animals_mutable([dog, cat])
assert true
}
fn handle_animals(a []Animal) {
}
fn handle_animals_mutable(a []Animal) {
}
interface Register {
register()
}