TST intfuncs more coverage

jiahao · Jan 5, 2015 · 3d376d1 · 3d376d1
1 parent ff0470c
commit 3d376d1
Showing 1 changed file with 72 additions and 1 deletion.
diff --git a/test/intfuncs.jl b/test/intfuncs.jl
@@ -1,5 +1,52 @@
-# issue #8266
+@test gcd(3, 5) == 1
+@test gcd(3, 15) == 3
+@test gcd(0, 15) == 15
+@test gcd(3, -15) == 3
+@test gcd(-3, -15) == 3
+@test gcd(0, 0) == 0
+
+@test gcd(2, 4, 6) == 2
+
+@test typeof(gcd(int32(3), int32(15))) == Int32
+
+@test lcm(2, 3) == 6
+@test lcm(4, 6) == 12
+@test lcm(3, 0) == 0
+@test lcm(0, 0) == 0
+@test lcm(4, -6) == 12
+@test lcm(-4, -6) == 12
+
+@test lcm(2, 4, 6) == 12
+
+@test typeof(lcm(int32(2), int32(3))) == Int32
+
+@test gcdx(5, 12) == (1, 5, -2)
+@test gcdx(5, -12) == (1, 5, 2)
+@test gcdx(-25, -4) == (1, -1, 6)
+
+@test invmod(6, 31) == 26
+@test invmod(-1, 3) == 2
+@test invmod(-1, -3) == 2
+@test_throws ErrorException invmod(0, 3)
+
+@test powermod(2, 3, 5) == 3
+@test powermod(2, 3, -5) == -2
+@test_throws DomainError powermod(2, -3, 5)
+
+@test nextpow2(3) == 4
+@test nextpow(2, 3) == 4
+@test nextpow(2, 4) == 4
+@test nextpow(2, 7) == 8
+@test_throws DomainError nextpow(0, 3)
+@test_throws DomainError nextpow(3, 0)
 
+@test prevpow2(3) == 2
+@test prevpow(2, 4) == 4
+@test prevpow(2, 5) == 4
+@test_throws DomainError prevpow(0, 3)
+@test_throws DomainError prevpow(0, 3)
+
+# issue #8266
 @test ndigits(-15, 10) == 2
 @test ndigits(-15, -10) == 2
 @test ndigits(-1, 10) == 1
@@ -14,3 +61,27 @@
 
 @test ndigits(146, -3) == 5
 
+@test bin(3) == "11"
+@test bin(3, 2) == "11"
+@test bin(3, 3) == "011"
+@test bin(-3) == "-11"
+@test bin(-3, 3) == "-011"
+
+@test oct(9) == "11"
+@test oct(-9) == "-11"
+
+@test dec(121) == "121"
+
+@test hex(12) == "c"
+@test hex(-12, 3) == "-00c"
+@test num2hex(1243) == "00000000000004db"
+
+@test base(2, 5, 7) == "0000101"
+
+@test bits(1035) == "0000000000000000000000000000000000000000000000000000010000001011"
+
+@test digits(4, 2) == [0, 0, 1]
+@test digits(5, 3) == [2, 1]
+
+@test isqrt(4) == 2
+@test isqrt(5) == 2