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checker: support nested labeled for statements (vlang#21658)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,91 @@ | ||
| const good = [ | ||
| '> x: 0 | y: 0 | z: 0', | ||
| '> x: 0 | y: 0 | z: 1', | ||
| '> x: 0 | y: 1 | z: 0', | ||
| '> x: 0 | y: 1 | z: 1', | ||
| '> x: 1 | y: 0 | z: 0', | ||
| '> x: 1 | y: 0 | z: 1', | ||
| '> x: 1 | y: 1 | z: 0', | ||
| '> x: 1 | y: 1 | z: 1', | ||
| ] | ||
|
|
||
| fn test_labeled_nested_loops_for_in() { | ||
| mut values := []string{} | ||
| abc: for x in 0 .. 2 { | ||
| def: for y in 0 .. 5 { | ||
| if y > 1 { | ||
| continue abc | ||
| } | ||
| xyz: for z in 0 .. 10 { | ||
| if z > 1 { | ||
| continue def | ||
| } | ||
| values << '> x: ${x} | y: ${y} | z: ${z}' | ||
| } | ||
| } | ||
| } | ||
| assert values == good | ||
| } | ||
|
|
||
| fn test_labeled_nested_loops_for_c_style() { | ||
| mut values := []string{} | ||
| abc: for x := 0; x < 2; x++ { | ||
| def: for y := 0; y < 5; y++ { | ||
| if y > 1 { | ||
| continue abc | ||
| } | ||
| xyz: for z := 0; z < 10; z++ { | ||
| if z > 1 { | ||
| continue def | ||
| } | ||
| values << '> x: ${x} | y: ${y} | z: ${z}' | ||
| } | ||
| } | ||
| } | ||
| assert values == good | ||
| } | ||
|
|
||
| fn test_labeled_nested_loops_for_in_array() { | ||
| mut values := []string{} | ||
| x_array := [0, 1] | ||
| y_array := [0, 1, 2, 3, 4] | ||
| z_array := [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] | ||
| abc: for x in x_array { | ||
| def: for y in y_array { | ||
| if y > 1 { | ||
| continue abc | ||
| } | ||
| xyz: for z in y_array { | ||
| if z > 1 { | ||
| continue def | ||
| } | ||
| values << '> x: ${x} | y: ${y} | z: ${z}' | ||
| } | ||
| } | ||
| } | ||
| assert values == good | ||
| } | ||
|
|
||
| fn test_labeled_nested_loops_for_condition() { | ||
| mut values := []string{} | ||
| mut x := -1 | ||
| abc: for x < 1 { | ||
| x++ | ||
| mut y := -1 | ||
| def: for y < 5 { | ||
| y++ | ||
| if y > 1 { | ||
| continue abc | ||
| } | ||
| mut z := -1 | ||
| xyz: for z < 10 { | ||
| z++ | ||
| if z > 1 { | ||
| continue def | ||
| } | ||
| values << '> x: ${x} | y: ${y} | z: ${z}' | ||
| } | ||
| } | ||
| } | ||
| assert values == good | ||
| } |