64 lines
2.1 KiB
V
64 lines
2.1 KiB
V
// This tests the `toml` module for a known memory corruption.
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// The BUG shows below if no string `.clone()` nor any garbage-collection is done...
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import os
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import toml
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const toml_text = os.read_file(os.real_path(os.join_path(os.dir(@FILE), 'testdata', 'toml_test')) +
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'.toml') or { panic(err) }
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fn test_toml_known_memory_corruption() {
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toml_doc := toml.parse_text(toml_text) or { panic(err) }
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owner := toml_doc.value('owner') as map[string]toml.Any
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any_name := owner.value('name')
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// This assert code path will cause the corruption.
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assert any_name.string() == 'Tom Preston-Werner'
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// This code then triggered the bug before the fix.
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// Also see note in toml/any.v in function `pub fn (a Any) string() string`
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assert toml_doc.value('owner.name') as string == 'Tom Preston-Werner'
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// Repeat the pattern
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assert any_name.string() == 'Tom Preston-Werner'
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assert toml_doc.value('owner.name') as string == 'Tom Preston-Werner'
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}
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fn test_toml_known_memory_corruption_2() {
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toml_txt := '
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# Local Date-Time
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ldt1 = 1979-05-27T07:32:00
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ldt2 = 1979-05-27T00:32:00.999999
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# Local Date
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ld1 = 1979-05-27
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# Local Time
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lt1 = 07:32:00
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lt2 = 00:32:00.999999
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'
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toml_doc := toml.parse_text(toml_txt) or { panic(err) }
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// ldt1 test section
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odt_time := toml.DateTime{'1979-05-27T07:32:00'}
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ldt1 := toml_doc.value('ldt1')
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assert ldt1.string() == '1979-05-27T07:32:00' // Running this before yielded a double free segfault
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assert ldt1.datetime() == odt_time
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assert ldt1.string() == '1979-05-27T07:32:00' // Used to yield a memory corruption
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// ld1 test section
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od_time := toml.Date{'1979-05-27'}
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ld1 := toml_doc.value('ld1')
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assert ld1.date() == od_time
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assert ld1.string() == '1979-05-27' // Used to yield a memory corruption
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// lt1 test section
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mut ot_time := toml.Time{'07:32:00'}
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lt1 := toml_doc.value('lt1')
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assert lt1.time() == ot_time
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assert lt1.string() == '07:32:00' // Used to yield a memory corruption
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// lt2 test section
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ot_time = toml.Time{'00:32:00.999999'}
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lt2 := toml_doc.value('lt2')
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assert lt2.time() == ot_time
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assert lt2.string() == '00:32:00.999999' // Used to yield a memory corruption
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}
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