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08eb78a5b2
This PR sets up the new integrated test/bench suite. It then migrates all benchmarks and some related tests to the new suite. There's also some documentation and some linting. For now, a lot of the old tests are left alone so this PR doesn't become even larger than it already is. Eventually, all tests should be migrated to the new suite though so there isn't a confusing mix of two systems.
108 lines
2.0 KiB
Lean4
108 lines
2.0 KiB
Lean4
/-!
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# Tests of the `unfold` tactic
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-/
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/-!
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Tests adapted from mathlib's `unfold_let` tactic
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-/
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example : let x := 1; let y := 2; x + y = y + x := by
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intro x y
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unfold x
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guard_target =ₛ 1 + y = y + 1
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let z := 3
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have h : z - 3 = 0 := rfl
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unfold z at h
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guard_hyp h :ₛ 3 - 3 = 0
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unfold y
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guard_target =ₛ 1 + 2 = 2 + 1
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rfl
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example : let x := 1; let y := 2; x + y = y + x := by
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intro x y
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unfold x y
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guard_target =ₛ 1 + 2 = 2 + 1
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rfl
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example : let x := 1; let y := 2 + x; y = 3 := by
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intro x y
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unfold y
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guard_target =ₛ 2 + x = 3
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unfold x
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guard_target =ₛ 2 + 1 = 3
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rfl
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example : let x := 1; let y := 2 + x; y = 3 := by
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intro x y
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fail_if_success unfold x y -- wrong order
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unfold y x
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guard_target =ₛ 2 + 1 = 3
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rfl
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/-!
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Do not reorder hypotheses. (`unfold` makes a change)
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-/
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set_option linter.unusedVariables false in
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example : let ty := Int; ty → Nat → Nat := by
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intro ty a a
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unfold ty at *
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exact a
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/-!
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Beta reduction of unfolded local functions
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-/
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example : True := by
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let f (x y : Nat) := x + y
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have : f 1 2 = 3 := by
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unfold f
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guard_target =ₛ 1 + 2 = 3
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rfl
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trivial
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/-!
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Nothing to unfold
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-/
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/--
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error: Tactic `unfold` failed to unfold `id` in
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True
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-/
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#guard_msgs in
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example : True := by
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unfold id
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/--
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error: Tactic `unfold` failed to unfold `x` in
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True
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-/
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#guard_msgs in
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example : True := by
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let x := 2
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unfold x
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/-!
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Conv tactic
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-/
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example (h : False) : id true = false := by
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conv => unfold id
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guard_target =ₛ true = false
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exact h.elim
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example : let x := 1; let y := 2; x + y = y + x := by
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intro x y
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conv => unfold x
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guard_target =ₛ 1 + y = y + 1
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rfl
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/-!
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Error: not a local definition
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-/
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/-- error: Tactic `unfold` failed: Local variable `x` has no definition -/
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#guard_msgs in example (x : Nat) : x + 1 = 1 := by
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unfold x
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/-- error: conv tactic `unfold` failed, local variable `x` has no definition -/
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#guard_msgs in example (x : Nat) : x + 1 = 1 := by
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conv => unfold x
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