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Diffstat (limited to 'interp/interpreter_test.go')
| -rw-r--r-- | interp/interpreter_test.go | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/interp/interpreter_test.go b/interp/interpreter_test.go index bf90357..7a974d1 100644 --- a/interp/interpreter_test.go +++ b/interp/interpreter_test.go @@ -230,6 +230,23 @@ func TestMap(t *testing.T) { }) } +func TestSlice(t *testing.T) { + src0 := `s := []int{0, 1, 2, 3};` + run(t, []etest{ + {src: src0 + `s`, res: `[0 1 2 3]`}, // #00 + {src: src0 + `s[:]`, res: `[0 1 2 3]`}, // #01 + {src: src0 + `s[1:3]`, res: `[1 2]`}, // #02 + {src: src0 + `s[1:3:4]`, res: `[1 2]`}, // #03 + {src: src0 + `s[:3:4]`, res: `[0 1 2]`}, // #04 + {src: src0 + `s[:2:]`, err: `final index required in 3-index slice`}, // #05 + {src: src0 + `s[:3:4:]`, err: `expected ']', found ':'`}, // #06 + {src: src0 + `s[2:]`, res: `[2 3]`}, // #07 + {src: src0 + `s[:0]`, res: `[]`}, // #08 + {src: `"Hello"[1:3]`, res: `el`}, // #09 + {src: `s := "Hello"; s[1:3]`, res: `el`}, // #10 + }) +} + func TestType(t *testing.T) { src0 := `type ( I int |