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-rw-r--r--lib/std/test/strbuf.myr40
1 files changed, 40 insertions, 0 deletions
diff --git a/lib/std/test/strbuf.myr b/lib/std/test/strbuf.myr
new file mode 100644
index 0000000..2643da5
--- /dev/null
+++ b/lib/std/test/strbuf.myr
@@ -0,0 +1,40 @@
+use std
+
+const main = {
+ var sb
+ var buf : byte[16]
+
+ sb = std.mksb()
+ std.assert(std.sleq(std.sbpeek(sb), ""), "mismatched empty str\n")
+ std.sbputs(sb, "hello")
+ std.assert(std.sleq(std.sbpeek(sb), "hello"), "mismatched hello\n")
+ std.sbputs(sb, ", hello")
+ std.assert(std.sleq(std.sbpeek(sb), "hello, hello"), "mismatched double hello\n")
+ std.sbtrim(sb, 7)
+ std.assert(std.sleq(std.sbpeek(sb), "hello, "), "mismatched trim\n")
+ std.sbputs(sb, "world")
+ std.assert(std.sleq(std.sbpeek(sb), "hello, world"), "mismatched hello world\n")
+ std.sbtrim(sb, -5)
+ std.assert(std.sleq(std.sbpeek(sb), "hello, "), "mismatched rtrim\n")
+ std.sbputc(sb, '世')
+ std.sbputc(sb, '界')
+ std.assert(std.sleq(std.sbpeek(sb), "hello, 世界"), "mismatched unicode\n")
+ std.sbputb(sb, 10)
+ std.assert(std.sleq(std.sbpeek(sb), "hello, 世界\n"), "mismatched byte\n")
+
+ sb = std.mkbufsb(buf[:])
+ std.assert(std.sbputs(sb, "hello"), "failed to add hello\n") /* 5 characters */
+ std.assert(std.sbputs(sb, "hello"), "failed to add hello\n") /* 10 characters */
+ std.assert(std.sbputs(sb, "hello"), "failed to add hello\n") /* 15 characters */
+ std.assert(!std.sbputs(sb, "hello"), "erronous success\n") /* 16 characters */
+ std.assert(std.sleq(std.sbpeek(sb), "hellohellohelloh"), "failed to copy as much as possible\n")
+ std.sbtrim(sb, -1)
+ std.assert(std.sleq(std.sbpeek(sb), "hellohellohello"), "failed rtrim\n")
+ std.sbputc(sb, '世')
+ std.assert(std.sleq(std.sbpeek(sb), "hellohellohello"), "modified overflowed putc\n")
+ std.sbtrim(sb, -2)
+ std.assert(std.sleq(std.sbpeek(sb), "hellohellohel"), "failed rtrim\n")
+ std.sbputc(sb, '世')
+ std.assert(std.sleq(std.sbpeek(sb), "hellohellohel世"), "failed to append with putc\n")
+}
+