// Nemeth tests from the 2023 chemistry spec // https://www.brailleauthority.org/sites/default/files/chemistry/Chemical%20Notation%20Using%20the%20Nemeth%20Braille%20Code%202023.pdf // The numbering refers to the sections in that reference. // The MathML comes from ChemType (basically WIRIS's tweak to the online MathType editor) or mhchem (indicated in test name) use crate::common::*; #[test] fn bond_2_1() { let expr = r#"

H - Be - H

"#; test_braille("Nemeth", expr, "⠠⠓⠸⠒⠻⠠⠃⠑⠸⠒⠻⠠⠓"); } #[test] fn bond_2_2() { let expr = r#"

H_{2} C = {CH}_{2}

"#; test_braille("Nemeth", expr, "⠠⠓⠆⠠⠉⠸⠶⠻⠠⠉⠠⠓⠆"); } #[test] fn bond_2_2_mhchem() { let expr = r#"

H_{2} C = CH_{2}

"#; test_braille("Nemeth", expr, "⠠⠓⠆⠠⠉⠸⠶⠻⠠⠉⠠⠓⠆"); } #[test] fn bond_2_3() { let expr = r#"

H - C \equiv C - H

"#; test_braille("Nemeth", expr, "⠠⠓⠸⠒⠻⠠⠉⠸⠿⠻⠠⠉⠸⠒⠻⠠⠓"); } #[test] fn bond_2_5() { let expr = r#"

Fe + {Cl}_{2} = {FeCl}_{3}

"#; test_braille("Nemeth", expr, "⠠⠋⠑⠬⠠⠉⠇⠆⠀⠨⠅⠀⠠⠋⠑⠠⠉⠇⠒"); } // FIX: add tests for 2.2.2: Horizontal Arrow Bonds (these are not currently known by MathCAT) #[test] fn arrow_bond_sec_2_2_2_c() { let expr = r#"

2 Na + {Cl}_{2} \to 2 NaCl

"#; test_braille("Nemeth", expr, "⠼⠆⠠⠝⠁⠬⠠⠉⠇⠆⠀⠫⠕⠀⠼⠆⠠⠝⠁⠠⠉⠇"); } #[test] fn arrow_bond_sec_2_2_2_d() { let expr = r#"

{RNH}_{2} + RX \to R_{2} {NH}_{2}^{+} X^{-}

"#; test_braille("Nemeth", expr, "⠠⠗⠠⠝⠠⠓⠆⠬⠠⠗⠠⠭⠀⠫⠕⠀⠠⠗⠆⠠⠝⠠⠓⠆⠐⠘⠬⠐⠠⠭⠘⠤"); } #[test] fn arrow_bond_sec_2_2_2_d_mhchem() { // changed long right arrow to short right arrow as that is what the example (wrongly) uses let expr = r#"

RNH_{2} + RX \to R_{2} NH_{2}^{+} X^{-}

"#; test_braille("Nemeth", expr, "⠠⠗⠠⠝⠠⠓⠆⠬⠠⠗⠠⠭⠀⠫⠕⠀⠠⠗⠆⠠⠝⠠⠓⠆⠐⠘⠬⠐⠠⠭⠘⠤"); } #[test] fn lewis_2_20() { let expr = r#"

{HO}_{2} + NO \to {NO}_{2} + • OH

"#; test_braille("Nemeth", expr, "⠠⠓⠠⠕⠆⠬⠠⠝⠠⠕⠀⠫⠕⠀⠠⠝⠠⠕⠆⠬⠡⠠⠕⠠⠓"); } #[test] fn lewis_2_21() { let expr = r#"

R^{•} + {}^{•}{CH}_{3} \to {RCH}_{3}

"#; test_braille("Nemeth", expr, "⠠⠗⠡⠬⠡⠠⠉⠠⠓⠒⠀⠫⠕⠀⠠⠗⠠⠉⠠⠓⠒"); } #[test] fn lewis_2_22() { let expr = r#"

{[{CH}_{3}]}^{•}

"#; test_braille("Nemeth", expr, "⠈⠷⠠⠉⠠⠓⠒⠈⠾⠡"); } #[test] fn dots_2_37_a() { let expr = r#"

: N : : : N :

"#; test_braille("Nemeth", expr, "⠹⠠⠝⠨⠹⠠⠝⠹"); } #[test] fn dots_2_37_b() { // Note: this uses vertical ellipsis for the triple vertical dot. There is also U+205D, but's pretty ubscure. let expr = r#"

H : C ⋮ ⋮ C : H

"#; test_braille("Nemeth", expr, "⠠⠓⠹⠠⠉⠨⠹⠠⠉⠹⠠⠓"); } #[test] fn yields_3_1() { let expr = r#"

{CH}_{4} (g) + 2 O_{2} (g) \to {CO}_{2} (g) + 2 H_{2} O (g)

"#; test_braille("Nemeth", expr, "⠠⠉⠠⠓⠲⠷⠛⠾⠬⠆⠠⠕⠆⠷⠛⠾⠀⠫⠕⠀⠠⠉⠠⠕⠆⠷⠛⠾⠬⠆⠠⠓⠆⠠⠕⠷⠛⠾"); } #[test] fn reverse_3_2() { let expr = r#"

N_{2} + 3 H_{2} \leftarrow 2 {NH}_{3}

"#; test_braille("Nemeth", expr, "⠠⠝⠆⠬⠒⠠⠓⠆⠀⠫⠪⠒⠒⠀⠼⠆⠠⠝⠠⠓⠒"); } #[test] fn reaction_arrow_3_9() { let expr = r#"

H_{2} (g) + I_{2} (g) ⇌ 2 HI (g)

"#; test_braille("Nemeth", expr, "⠠⠓⠆⠷⠛⠾⠬⠠⠊⠆⠷⠛⠾⠀⠫⠒⠕⠫⠪⠒⠀⠼⠆⠠⠓⠠⠊⠷⠛⠾"); } #[test] fn reaction_arrow_3_13() { let expr = r#"

H_{3} C - C \equiv C^{-} {Na}^{+} + {NH}_{3} ⥃ H_{3} C - C \equiv C - H + {Na}^{+} {NH}_{2}^{-}

"#; test_braille("Nemeth", expr, "⠠⠓⠒⠠⠉⠸⠒⠻⠠⠉⠸⠿⠻⠠⠉⠘⠤⠐⠠⠝⠁⠘⠬⠐⠬⠠⠝⠠⠓⠒⠀⠫⠪⠒⠒⠫⠒⠕⠀⠠⠓⠒⠠⠉⠸⠒⠻⠠⠉⠸⠿⠻⠠⠉⠸⠒⠻⠠⠓⠬⠠⠝⠁⠘⠬⠐⠠⠝⠠⠓⠆⠐⠘⠤"); } #[test] fn reaction_arrow_3_14_a() { // Note: this uses an arrow rather than harpoon because Unicode currently lacks the symbol (braille should be the same) // There's not enough chemistry to pick up (value=3), so intent is added let expr = r#"

R ⥂ P

"#; test_braille("Nemeth", expr, "⠠⠗⠀⠫⠒⠒⠕⠫⠪⠒⠀⠠⠏"); } #[test] fn reaction_arrow_3_14_b() { // Note: this uses an arrow rather than harpoon because Unicode currently lacks the symbol (braille should be the same) // There's not enough chemistry to pick up (value=3), so intent is added let expr = r#"

R ⥄ P

"#; test_braille("Nemeth", expr, "⠠⠗⠀⠫⠒⠕⠫⠪⠒⠒⠀⠠⠏"); } #[test] fn arrow_3_36() { let expr = r#"

2 Al + 2 NaOH + 2 H_{2} O \to {Na}_{2} {Al}_{2} O_{4} + 3 H_{2} ↑

"#; test_braille("Nemeth", expr, "⠼⠆⠠⠁⠇⠬⠆⠠⠝⠁⠠⠕⠠⠓⠬⠆⠠⠓⠆⠠⠕⠀⠫⠕⠀⠠⠝⠁⠆⠠⠁⠇⠆⠠⠕⠲⠬⠒⠠⠓⠆⠫⠣"); } #[test] fn arrow_3_37() { let expr = r#"

Ca {({HCO}_{3})}_{2} + Ca {(OH)}_{2} \to 2 {CaCO}_{3} ↓ + 2 H_{2} O

"#; test_braille("Nemeth", expr, "⠠⠉⠁⠷⠠⠓⠠⠉⠠⠕⠒⠾⠰⠆⠐⠬⠠⠉⠁⠷⠠⠕⠠⠓⠾⠰⠆⠀⠫⠕⠀⠼⠆⠠⠉⠁⠠⠉⠠⠕⠒⠫⠩⠀⠬⠆⠠⠓⠆⠠⠕"); } #[test] fn dot_4_5() { let expr = r#"

K_{1} [{PCl}_{5}] = K_{2} [{PCl}_{3}] \cdot [{Cl}_{2}]

"#; test_braille("Nemeth", expr, "⠠⠅⠂⠈⠷⠠⠏⠠⠉⠇⠢⠈⠾⠀⠨⠅⠀⠠⠅⠆⠈⠷⠠⠏⠠⠉⠇⠒⠈⠾⠡⠈⠷⠠⠉⠇⠆⠈⠾"); } #[test] fn charge_5_1_c() { let expr = r#"

2 Al \to 2 {Al}^{3 +} + 6 e^{-}

"#; test_braille("Nemeth", expr, "⠼⠆⠠⠁⠇⠀⠫⠕⠀⠼⠆⠠⠁⠇⠘⠒⠬⠐⠬⠖⠑⠘⠤"); } #[test] fn charge_5_3_a() { let expr = r#"

{HPO}_{4}^{- -}

"#; test_braille("Nemeth", expr, "⠠⠓⠠⠏⠠⠕⠲⠐⠘⠆⠤"); } #[test] fn charge_5_3_b() { let expr = r#"

{}_{2}^{4}{He}^{+ +}

"#; test_braille("Nemeth", expr, "⠰⠆⠘⠲⠐⠠⠓⠑⠘⠆⠬"); } #[test] fn simultaneious_scripts_5_8_b() { let expr = r#"

{SO}_{4}^{2 -}

"#; test_braille("Nemeth", expr, "⠠⠎⠠⠕⠲⠘⠆⠤"); } #[test] fn staggered_scripts_5_9_a() { let expr = r#"

5 C_{2} {O_{4}}^{2 -} (a q)

"#; test_braille("Nemeth", expr, "⠼⠢⠠⠉⠆⠠⠕⠲⠐⠘⠆⠤⠐⠷⠁⠟⠾"); } #[test] fn staggered_scripts_5_9_b() { let expr = r#"

{({SiO}_{3})}_{n}^{2 n -}

"#; test_braille("Nemeth", expr, "⠷⠠⠎⠊⠠⠕⠒⠾⠰⠝⠐⠘⠆⠝⠤"); } #[test] fn state_5_10() { let expr = r#"

{∆ H}_{(reaction)}^{°}

"#; // the chem book seems to have a bug in using dot 5 in the first delta expr. They have "⠨⠠⠙⠠⠓⠘⠨⠡⠐⠰⠷⠗⠑⠁⠉⠞⠊⠕⠝⠾". // I sent a bug report in bug haven't heard back. This tests assumes the book has a bug test_braille("Nemeth", expr, "⠨⠠⠙⠠⠓⠘⠨⠡⠰⠷⠗⠑⠁⠉⠞⠊⠕⠝⠾"); } #[test] fn state_as_subscript_5_13() { let expr = r#"

{Sn}_{(aq)}^{2 +}

"#; test_braille("Nemeth", expr, "⠠⠎⠝⠘⠆⠬⠐⠷⠁⠟⠾"); } #[test] fn prescripts_5_14() { let expr = r#"

{}_{99}^{254}{Es} + {}_{2}^{4}{He} \to {}_{101}^{256}{Md} + 2 {}_{0}^{1}n

"#; test_braille("Nemeth", expr, "⠰⠔⠔⠘⠆⠢⠲⠐⠠⠑⠎⠬⠰⠆⠘⠲⠐⠠⠓⠑⠀⠫⠕⠀⠰⠂⠴⠂⠘⠆⠢⠖⠐⠠⠍⠙⠬⠆⠰⠴⠘⠂⠐⠝"); }