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Diffstat (limited to 'toolkit/components/uniffi-fixtures/rondpoint/tests/bindings/test_rondpoint.rb')
-rw-r--r-- | toolkit/components/uniffi-fixtures/rondpoint/tests/bindings/test_rondpoint.rb | 147 |
1 files changed, 147 insertions, 0 deletions
diff --git a/toolkit/components/uniffi-fixtures/rondpoint/tests/bindings/test_rondpoint.rb b/toolkit/components/uniffi-fixtures/rondpoint/tests/bindings/test_rondpoint.rb new file mode 100644 index 0000000000..faa4062019 --- /dev/null +++ b/toolkit/components/uniffi-fixtures/rondpoint/tests/bindings/test_rondpoint.rb @@ -0,0 +1,147 @@ +# frozen_string_literal: true + +require 'test/unit' +require 'rondpoint' + +include Test::Unit::Assertions +include Rondpoint + +dico = Dictionnaire.new( + un: Enumeration::DEUX, + deux: true, + petit_nombre: 0, + gros_nombre: 123_456_789 +) + +assert_equal dico, Rondpoint.copie_dictionnaire(dico) + +assert_equal Rondpoint.copie_enumeration(Enumeration::DEUX), Enumeration::DEUX + +assert_equal Rondpoint.copie_enumerations([ + Enumeration::UN, + Enumeration::DEUX + ]), [Enumeration::UN, Enumeration::DEUX] + +assert_equal Rondpoint.copie_carte({ + '0' => EnumerationAvecDonnees::ZERO.new, + '1' => EnumerationAvecDonnees::UN.new(1), + '2' => EnumerationAvecDonnees::DEUX.new(2, 'deux') + }), { + '0' => EnumerationAvecDonnees::ZERO.new, + '1' => EnumerationAvecDonnees::UN.new(1), + '2' => EnumerationAvecDonnees::DEUX.new(2, 'deux') + } + +assert Rondpoint.switcheroo(false) + +assert_not_equal EnumerationAvecDonnees::ZERO.new, EnumerationAvecDonnees::UN.new(1) +assert_equal EnumerationAvecDonnees::UN.new(1), EnumerationAvecDonnees::UN.new(1) +assert_not_equal EnumerationAvecDonnees::UN.new(1), EnumerationAvecDonnees::UN.new(2) + +# Test the roundtrip across the FFI. +# This shows that the values we send come back in exactly the same state as we sent them. +# i.e. it shows that lowering from ruby and lifting into rust is symmetrical with +# lowering from rust and lifting into ruby. +RT = Retourneur.new + +def affirm_aller_retour(vals, fn_name) + vals.each do |v| + id_v = RT.public_send fn_name, v + + assert_equal id_v, v, "Round-trip failure: #{v} => #{id_v}" + end +end + +MIN_I8 = -1 * 2**7 +MAX_I8 = 2**7 - 1 +MIN_I16 = -1 * 2**15 +MAX_I16 = 2**15 - 1 +MIN_I32 = -1 * 2**31 +MAX_I32 = 2**31 - 1 +MIN_I64 = -1 * 2**31 +MAX_I64 = 2**31 - 1 + +# Ruby floats are always doubles, so won't round-trip through f32 correctly. +# This truncates them appropriately. +F32_ONE_THIRD = [1.0 / 3].pack('f').unpack('f')[0] + +# Booleans +affirm_aller_retour([true, false], :identique_boolean) + +# Bytes. +affirm_aller_retour([MIN_I8, -1, 0, 1, MAX_I8], :identique_i8) +affirm_aller_retour([0x00, 0x12, 0xFF], :identique_u8) + +# Shorts +affirm_aller_retour([MIN_I16, -1, 0, 1, MAX_I16], :identique_i16) +affirm_aller_retour([0x0000, 0x1234, 0xFFFF], :identique_u16) + +# Ints +affirm_aller_retour([MIN_I32, -1, 0, 1, MAX_I32], :identique_i32) +affirm_aller_retour([0x00000000, 0x12345678, 0xFFFFFFFF], :identique_u32) + +# Longs +affirm_aller_retour([MIN_I64, -1, 0, 1, MAX_I64], :identique_i64) +affirm_aller_retour([0x0000000000000000, 0x1234567890ABCDEF, 0xFFFFFFFFFFFFFFFF], :identique_u64) + +# Floats +affirm_aller_retour([0.0, 0.5, 0.25, 1.0, F32_ONE_THIRD], :identique_float) + +# Doubles +affirm_aller_retour( + [0.0, 0.5, 0.25, 1.0, 1.0 / 3, Float::MAX, Float::MIN], + :identique_double +) + +# Strings +affirm_aller_retour( + ['', 'abc', 'été', 'ښي لاس ته لوستلو لوستل', + '😻emoji 👨👧👦multi-emoji, 🇨🇭a flag, a canal, panama'], + :identique_string +) + +# Test one way across the FFI. +# +# We send one representation of a value to lib.rs, and it transforms it into another, a string. +# lib.rs sends the string back, and then we compare here in ruby. +# +# This shows that the values are transformed into strings the same way in both ruby and rust. +# i.e. if we assume that the string return works (we test this assumption elsewhere) +# we show that lowering from ruby and lifting into rust has values that both ruby and rust +# both stringify in the same way. i.e. the same values. +# +# If we roundtripping proves the symmetry of our lowering/lifting from here to rust, and lowering/lifting from rust to here, +# and this convinces us that lowering/lifting from here to rust is correct, then +# together, we've shown the correctness of the return leg. +ST = Stringifier.new + +def affirm_enchaine(vals, fn_name) + vals.each do |v| + str_v = ST.public_send fn_name, v + + assert_equal v.to_s, str_v, "String compare error #{v} => #{str_v}" + end +end + +# Test the efficacy of the string transport from rust. If this fails, but everything else +# works, then things are very weird. +assert_equal ST.well_known_string('ruby'), 'uniffi 💚 ruby!' + +# Booleans +affirm_enchaine([true, false], :to_string_boolean) + +# Bytes. +affirm_enchaine([MIN_I8, -1, 0, 1, MAX_I8], :to_string_i8) +affirm_enchaine([0x00, 0x12, 0xFF], :to_string_u8) + +# Shorts +affirm_enchaine([MIN_I16, -1, 0, 1, MAX_I16], :to_string_i16) +affirm_enchaine([0x0000, 0x1234, 0xFFFF], :to_string_u16) + +# Ints +affirm_enchaine([MIN_I32, -1, 0, 1, MAX_I32], :to_string_i32) +affirm_enchaine([0x00000000, 0x12345678, 0xFFFFFFFF], :to_string_u32) + +# Longs +affirm_enchaine([MIN_I64, -1, 0, 1, MAX_I64], :to_string_i64) +affirm_enchaine([0x0000000000000000, 0x1234567890ABCDEF, 0xFFFFFFFFFFFFFFFF], :to_string_u64) |