Add stream structure and utilities

tests/stream/test_stream.c

@@ -0,0 +1,50 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
+#include "test_stream.h"
+
+#define COUNT 3
+
+WpTestFuncResult test_stream_at_end(void) {
+	b8 result = true;
+
+	c8 characters[COUNT] = {'a', 'b', 'c'};
+	WpC8Stream stream = wpStream(c8, characters, COUNT);
+
+	for (u32 i = 0; i < COUNT; ++i) {
+		wpStreamConsume(c8, &stream);
+		result = result && (i == 2 ? wpStreamAtEnd(c8, &stream) : !wpStreamAtEnd(c8, &stream));
+	}
+
+	return wpTesterResult(result);
+}
+
+WpTestFuncResult test_stream_peek(void) {
+	b8 result = true;
+
+	c8 characters[COUNT] = {'a', 'b', 'c'};
+	WpC8Stream stream = wpStream(c8, characters, COUNT);
+
+	c8 *c = NULL;
+	while (!wpStreamAtEnd(c8, &stream)) {
+		c = wpStreamPeek(c8, &stream);
+		wpStreamConsume(c8, &stream);
+		result = result && (wpStreamAtEnd(c8, &stream) ? c == NULL : c != NULL);
+	}
+
+	return wpTesterResult(result);
+}
+
+WpTestFuncResult test_stream_consume(void) {
+	b8 result = true;
+
+	c8 characters[COUNT] = {'a', 'b', 'c'};
+	WpC8Stream stream = wpStream(c8, characters, COUNT);
+
+	c8 *c = NULL;
+	for (u32 i = 0; i <= COUNT; ++i) {
+		c = wpStreamConsume(c8, &stream);
+		result = result && (i == COUNT ? c == NULL : c != NULL);
+	}
+
+	return wpTesterResult(result);
+}

tests/stream/test_stream.cc

@@ -0,0 +1,50 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
+#include "test_stream.h"
+
+#define COUNT 3
+
+WpTestFuncResult test_stream_at_end(void) {
+	b8 result = true;
+
+	c8 characters[COUNT] = {'a', 'b', 'c'};
+	WpC8Stream stream = wpStream(c8, characters, COUNT);
+
+	for (u32 i = 0; i < COUNT; ++i) {
+		wpStreamConsume(c8, &stream);
+		result = result && (i == 2 ? wpStreamAtEnd(c8, &stream) : !wpStreamAtEnd(c8, &stream));
+	}
+
+	return wpTesterResult(result);
+}
+
+WpTestFuncResult test_stream_peek(void) {
+	b8 result = true;
+
+	c8 characters[COUNT] = {'a', 'b', 'c'};
+	WpC8Stream stream = wpStream(c8, characters, COUNT);
+
+	c8 *c = NULL;
+	while (!wpStreamAtEnd(c8, &stream)) {
+		c = wpStreamPeek(c8, &stream);
+		wpStreamConsume(c8, &stream);
+		result = result && (wpStreamAtEnd(c8, &stream) ? c == NULL : c != NULL);
+	}
+
+	return wpTesterResult(result);
+}
+
+WpTestFuncResult test_stream_consume(void) {
+	b8 result = true;
+
+	c8 characters[COUNT] = {'a', 'b', 'c'};
+	WpC8Stream stream = wpStream(c8, characters, COUNT);
+
+	c8 *c = NULL;
+	for (u32 i = 0; i <= COUNT; ++i) {
+		c = wpStreamConsume(c8, &stream);
+		result = result && (i == COUNT ? c == NULL : c != NULL);
+	}
+
+	return wpTesterResult(result);
+}

tests/stream/test_stream.h

@@ -0,0 +1,12 @@
+// vim:fileencoding=utf-8:foldmethod=marker
+
+#ifndef TEST_STREAM_H
+#define TEST_STREAM_H
+
+#include "wapp.h"
+
+WpTestFuncResult test_stream_at_end(void);
+WpTestFuncResult test_stream_peek(void);
+WpTestFuncResult test_stream_consume(void);
+
+#endif // !TEST_STREAM_H

tests/wapptest.c

@@ -5,6 +5,7 @@
 #include "test_str8_array.h"
 #include "test_i32_array.h"
 #include "test_queue.h"
+#include "test_stream.h"
 #include "test_cpath.h"
 #include "test_file.h"
 #include "test_shell_commander.h"
@@ -47,6 +48,9 @@ int main(void) {
 		test_queue_push,
 		test_queue_push_alloc,
 		test_queue_pop,
+		test_stream_at_end,
+		test_stream_peek,
+		test_stream_consume,
 		test_str8_lit,
 		test_str8_lit_ro,
 		test_str8_buf,

tests/wapptest.cc

@@ -5,6 +5,7 @@
 #include "test_str8_array.h"
 #include "test_i32_array.h"
 #include "test_queue.h"
+#include "test_stream.h"
 #include "test_cpath.h"
 #include "test_file.h"
 #include "test_shell_commander.h"
@@ -47,6 +48,9 @@ int main(void) {
 		test_queue_push,
 		test_queue_push_alloc,
 		test_queue_pop,
+		test_stream_at_end,
+		test_stream_peek,
+		test_stream_consume,
 		test_str8_lit,
 		test_str8_lit_ro,
 		test_str8_buf,