6 files changed, 228 insertions, 1 deletions
diff --git a/tests/stdlib/teditdistance.nim b/tests/stdlib/teditdistance.nim
new file mode 100644
index 000000000..5a8acd513
--- /dev/null
+++ b/tests/stdlib/teditdistance.nim
@@ -0,0 +1,40 @@
+import std/editdistance
+
+doAssert editDistance("", "") == 0
+doAssert editDistance("kitten", "sitting") == 3 # from Wikipedia
+doAssert editDistance("flaw", "lawn") == 2 # from Wikipedia
+
+doAssert editDistance("привет", "превет") == 1
+doAssert editDistance("Åge", "Age") == 1
+# editDistance, one string is longer in bytes, but shorter in rune length
+# first string: 4 bytes, second: 6 bytes, but only 3 runes
+doAssert editDistance("aaaa", "×××") == 4
+
+block veryLongStringEditDistanceTest:
+  const cap = 256
+  var
+    s1 = newStringOfCap(cap)
+    s2 = newStringOfCap(cap)
+  while len(s1) < cap:
+    s1.add 'a'
+  while len(s2) < cap:
+    s2.add 'b'
+  doAssert editDistance(s1, s2) == cap
+
+block combiningCodePointsEditDistanceTest:
+  const s = "A\xCC\x8Age"
+  doAssert editDistance(s, "Age") == 1
+
+doAssert editDistanceAscii("", "") == 0
+doAssert editDistanceAscii("kitten", "sitting") == 3 # from Wikipedia
+doAssert editDistanceAscii("flaw", "lawn") == 2 # from Wikipedia
+
+
+assert(editDistance("prefix__hallo_suffix", "prefix__hallo_suffix") == 0)
+assert(editDistance("prefix__hallo_suffix", "prefix__hallo_suffi1") == 1)
+assert(editDistance("prefix__hallo_suffix", "prefix__HALLO_suffix") == 5)
+assert(editDistance("prefix__hallo_suffix", "prefix__ha_suffix") == 3)
+assert(editDistance("prefix__hallo_suffix", "prefix") == 14)
+assert(editDistance("prefix__hallo_suffix", "suffix") == 14)
+assert(editDistance("prefix__hallo_suffix", "prefix__hao_suffix") == 2)
+assert(editDistance("main", "malign") == 2)
\ No newline at end of file
diff --git a/tests/stdlib/trstgen.nim b/tests/stdlib/trstgen.nim
index d35bc5821..946104e7c 100644
--- a/tests/stdlib/trstgen.nim
+++ b/tests/stdlib/trstgen.nim
@@ -6,7 +6,7 @@ outputsub: ""
 
 import ../../lib/packages/docutils/rstgen
 import ../../lib/packages/docutils/rst
-import unittest
+import unittest, strtabs
 
 suite "YAML syntax highlighting":
   test "Basics":
@@ -177,3 +177,8 @@ not in table"""
     let output2 = rstToHtml(input2, {roSupportMarkdown}, defaultConfig())
     assert output2 == """<table border="1" class="docutils"><tr><th>A1 header</th><th>A2</th></tr>
 </table>"""
+
+
+assert rstToHtml("*Hello* **world**!", {},
+  newStringTable(modeStyleInsensitive)) ==
+  "<em>Hello</em> <strong>world</strong>!"
diff --git a/tests/stdlib/tsugar.nim b/tests/stdlib/tsugar.nim
new file mode 100644
index 000000000..a6fd70f34
--- /dev/null
+++ b/tests/stdlib/tsugar.nim
@@ -0,0 +1,94 @@
+import sugar
+
+block dup_with_field:
+  type
+    Foo = object
+      col, pos: int
+      name: string
+
+  proc inc_col(foo: var Foo) = inc(foo.col)
+  proc inc_pos(foo: var Foo) = inc(foo.pos)
+  proc name_append(foo: var Foo, s: string) = foo.name &= s
+
+  let a = Foo(col: 1, pos: 2, name: "foo")
+  block:
+    let b = a.dup(inc_col, inc_pos):
+      _.pos = 3
+      name_append("bar")
+      inc_pos
+
+    doAssert(b == Foo(col: 2, pos: 4, name: "foobar"))
+
+  block:
+    let b = a.dup(inc_col, pos = 3, name = "bar"):
+      name_append("bar")
+      inc_pos
+
+    doAssert(b == Foo(col: 2, pos: 4, name: "barbar"))
+
+import algorithm
+
+var a = @[1, 2, 3, 4, 5, 6, 7, 8, 9]
+doAssert dup(a, sort(_)) == sorted(a)
+doAssert a.dup(sort) == sorted(a)
+#Chaining:
+var aCopy = a
+aCopy.insert(10)
+doAssert a.dup(insert(10)).dup(sort()) == sorted(aCopy)
+
+import random
+
+const b = @[0, 1, 2]
+let c = b.dup shuffle()
+doAssert c.len == 3
+
+#test collect
+import sets, tables
+
+let data = @["bird", "word"] # if this gets stuck in your head, its not my fault
+assert collect(newSeq, for (i, d) in data.pairs: (if i mod 2 == 0: d)) == @["bird"]
+assert collect(initTable(2), for (i, d) in data.pairs: {i: d}) == {0: "bird",
+      1: "word"}.toTable
+assert initHashSet.collect(for d in data.items: {d}) == data.toHashSet
+
+let x = collect(newSeqOfCap(4)):
+    for (i, d) in data.pairs:
+      if i mod 2 == 0: d
+assert x == @["bird"]
+
+# bug #12874
+
+let bug1 = collect(
+    newSeq,
+    for (i, d) in data.pairs:(
+      block:
+        if i mod 2 == 0:
+          d
+        else:
+          d & d
+      )
+)
+assert bug1 == @["bird", "wordword"]
+
+import strutils
+let y = collect(newSeq):
+  for (i, d) in data.pairs:
+    try: parseInt(d) except: 0
+assert y == @[0, 0]
+
+let z = collect(newSeq):
+  for (i, d) in data.pairs:
+    case d
+    of "bird": "word"
+    else: d
+assert z == @["word", "word"]
+
+
+proc tforum =
+  let ans = collect(newSeq):
+    for y in 0..10:
+      if y mod 5 == 2:
+        for x in 0..y:
+          x
+
+tforum()
diff --git a/tests/stdlib/tsums.nim b/tests/stdlib/tsums.nim
new file mode 100644
index 000000000..979ffc391
--- /dev/null
+++ b/tests/stdlib/tsums.nim
@@ -0,0 +1,22 @@
+import std/sums
+from math import pow
+
+var epsilon = 1.0
+while 1.0 + epsilon != 1.0:
+  epsilon /= 2.0
+let data = @[1.0, epsilon, -epsilon]
+assert sumKbn(data) == 1.0
+# assert sumPairs(data) != 1.0 # known to fail in 64 bits
+assert (1.0 + epsilon) - epsilon != 1.0
+
+var tc1: seq[float]
+for n in 1 .. 1000:
+  tc1.add 1.0 / n.float
+assert sumKbn(tc1) == 7.485470860550345
+assert sumPairs(tc1) == 7.485470860550345
+
+var tc2: seq[float]
+for n in 1 .. 1000:
+  tc2.add pow(-1.0, n.float) / n.float
+assert sumKbn(tc2) == -0.6926474305598203
+assert sumPairs(tc2) == -0.6926474305598204
diff --git a/tests/stdlib/twith.nim b/tests/stdlib/twith.nim
new file mode 100644
index 000000000..80382f7c4
--- /dev/null
+++ b/tests/stdlib/twith.nim
@@ -0,0 +1,23 @@
+import std/with
+
+type
+  Foo = object
+    col, pos: string
+    name: string
+
+proc setColor(f: var Foo; r, g, b: int) = f.col = $(r, g, b)
+proc setPosition(f: var Foo; x, y: float) = f.pos = $(x, y)
+
+var f: Foo
+with(f, setColor(2, 3, 4), setPosition(0.0, 1.0))
+doAssert f.col == "(2, 3, 4)"
+doAssert f.pos == "(0.0, 1.0)"
+
+f = Foo()
+with f:
+  col = $(2, 3, 4)
+  pos = $(0.0, 1.0)
+  _.name = "bar"
+doAssert f.col == "(2, 3, 4)"
+doAssert f.pos == "(0.0, 1.0)"
+doAssert f.name == "bar"
diff --git a/tests/stdlib/twordwrap.nim b/tests/stdlib/twordwrap.nim
new file mode 100644
index 000000000..c90dd9581
--- /dev/null
+++ b/tests/stdlib/twordwrap.nim
@@ -0,0 +1,43 @@
+import std/wordwrap
+
+when true:
+  let
+    inp = """ this is a long text --  muchlongerthan10chars and here
+                it goes"""
+    outp = " this is a\nlong text\n--\nmuchlongerthan10chars\nand here\nit goes"
+  doAssert wrapWords(inp, 10, false) == outp
+
+  let
+    longInp = """ThisIsOneVeryLongStringWhichWeWillSplitIntoEightSeparatePartsNow"""
+    longOutp = "ThisIsOn\neVeryLon\ngStringW\nhichWeWi\nllSplitI\nntoEight\nSeparate\nPartsNow"
+  doAssert wrapWords(longInp, 8, true) == longOutp
+
+# test we don't break Umlauts into invalid bytes:
+let fies = "äöüöäöüöäöüöäöüööäöüöäößßßßüöäößßßßßß"
+let fiesRes = "ä\nö\nü\nö\nä\nö\nü\nö\nä\nö\nü\nö\nä\nö\nü\nö\nö\nä\nö\nü\nö\nä\nö\nß\nß\nß\nß\nü\nö\nä\nö\nß\nß\nß\nß\nß\nß"
+doAssert wrapWords(fies, 1, true) == fiesRes
+
+let longlongword = """abc uitdaeröägfßhydüäpydqfü,träpydqgpmüdträpydföägpydörztdüöäfguiaeowäzjdtrüöäp psnrtuiydrözenrüöäpyfdqazpesnrtulocjtüö
+äzydgyqgfqfgprtnwjlcydkqgfüöezmäzydydqüüöäpdtrnvwfhgckdumböäpydfgtdgfhtdrntdrntydfogiayqfguiatrnydrntüöärtniaoeydfgaoeiqfglwcßqfgxvlcwgtfhiaoen
+rsüöäapmböäptdrniaoydfglckqfhouenrtsüöäptrniaoeyqfgulocfqclgwxßqflgcwßqfxglcwrniatrnmüböäpmöäbpümöäbpüöämpbaoestnriaesnrtdiaesrtdniaesdrtnaetdr
+iaoenvlcyfglwckßqfgvwkßqgfvlwkßqfgvlwckßqvlwkgfUIαοιαοιαχολωχσωχνωκψρχκψρτιεαοσηζϵηζιοεννκεωνιαλωσωκνκψρκγτφγτχκγτεκργτιχνκιωχσιλωσλωχξλξλξωχωχ
+ξχλωωχαοεοιαεοαεοιαεοαεοιαοεσναοεκνρκψγκψφϵιηαααοε"""
+let longlongwordRes = """
+abc uitdaeröägfßhydüäpydqfü,träpydqgpmüdträpydföägpydörztdüöäfguiaeowäzjdtrüöäp
+psnrtuiydrözenrüöäpyfdqazpesnrtulocjtüöäzydgyqgfqfgprtnwjlcydkqgfüöezmäzydydqüü
+öäpdtrnvwfhgckdumböäpydfgtdgfhtdrntdrntydfogiayqfguiatrnydrntüöärtniaoeydfgaoeiq
+fglwcßqfgxvlcwgtfhiaoenrsüöäapmböäptdrniaoydfglckqfhouenrtsüöäptrniaoeyqfgulocf
+qclgwxßqflgcwßqfxglcwrniatrnmüböäpmöäbpümöäbpüöämpbaoestnriaesnrtdiaesrtdniaesdr
+tnaetdriaoenvlcyfglwckßqfgvwkßqgfvlwkßqfgvlwckßqvlwkgfUIαοιαοιαχολωχσωχνωκψρχκψ
+ρτιεαοσηζϵηζιοεννκεωνιαλωσωκνκψρκγτφγτχκγτεκργτιχνκιωχσιλωσλωχξλξλξωχωχ
+ξχλωωχαοεοιαεοαεοιαεοαεοιαοεσναοεκνρκψγκψφϵιηαααοε"""
+doAssert wrapWords(longlongword) == longlongwordRes
+
+# bug #14579
+const input60 = """
+This string is wrapped to 60 characters. If we call
+wrapwords on it it will be re-wrapped to 80 characters.
+"""
+const input60Res = """This string is wrapped to 60 characters. If we call wrapwords on it it will be
+re-wrapped to 80 characters."""
+doAssert wrapWords(input60) == input60Res
\ No newline at end of file