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https://github.com/leanprover/lean4.git
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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.
106 lines
1.9 KiB
Lean4
106 lines
1.9 KiB
Lean4
import Lean.Data.Format
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import Lean.Meta.Basic
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/-! # Hard line breaks in `Format` text
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Hard line breaks in `Format`s should not induce inescapable flattening groups, which they did in
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previous versions of Lean.
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-/
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open Lean Meta
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/--
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info: A
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B
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C
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-/
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#guard_msgs (whitespace := exact) in
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#eval
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let f : Format := .text "A\nB" ++ .line ++ "C"
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IO.println f.pretty
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/--
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info: A
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B
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C
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-/
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#guard_msgs (whitespace := exact) in
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run_meta do
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logInfo <| m!"A{indentD "B"}" ++ Format.line ++ "C"
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/--
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info: A
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B
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C
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D
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-/
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#guard_msgs (whitespace := exact) in
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run_meta do
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let text := toMessageData
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let line := toMessageData Format.line
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logInfo <| text m!"A" ++ line ++ .nest 2 (m!"B" ++ line ++ m!"C") ++ line ++ "D"
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/--
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info: a
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b
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a b
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-/
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#guard_msgs (whitespace := exact) in
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run_meta do logInfo (m!"a" ++ Format.line ++ m!"b" ++ Format.line ++ .group m!"a\nb")
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/--
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info: Indented expression:
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Nat
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Bulleted list:
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• A
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• B
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---
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info: Indented expression:
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Nat
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Bulleted list:
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• A
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• B
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---
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info: Bulleted list:
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• A
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• B
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Indented expression:
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Nat
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---
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info: Bulleted list:
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• A
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• B
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Indented expression:
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Nat
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-/
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#guard_msgs (whitespace := exact) in
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run_meta do
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let e := m!"Indented expression:{indentExpr (.const `Nat [])}"
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let l := m!"Bulleted list:{indentD m!"• A\n• B"}"
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logInfo (e ++ .ofFormat (.text "\n") ++ l)
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logInfo (e ++ Format.line ++ l)
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logInfo (l ++ .ofFormat (.text "\n") ++ e)
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logInfo (l ++ Format.line ++ e)
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-- *Within* flattening groups, flattening should be recomputed after a hard line break:
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/--
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info: A
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A long line
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B
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C
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D
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A
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A long line
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B C
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D
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-/
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#guard_msgs (whitespace := exact) in
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#eval
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let f : Format := .text "A" ++ .line ++ .group ("A long line" ++ .line ++ .text "B" ++ .line ++ "C") ++ .line ++ "D"
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let f' : Format := .text "A" ++ .line ++ .group ("A long line\nB" ++ .line ++ "C") ++ .line ++ "D"
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do
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IO.println (f.pretty 10)
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IO.println ""
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IO.println (f'.pretty 10)
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