Created tests for try get next token.

test/Pasper.Json.Tests/Parsing/JsonLexer/TryGetNextToken.cs

@@ -0,0 +1,47 @@
+using Pasper.Json.Parsing;
+using Pasper.Json.Tokens;
+
+namespace Pasper.Json.Tests.Parsing;
+
+public sealed partial class JsonLexerTests
+{
+    [Fact]
+    public void TryGetNextToken_BeginArrayDetected_ReturnsTrue()
+    {
+        var lexer = new JsonLexer("[");
+        var tokenAvailable = lexer.MoveNext();
+        Assert.True(tokenAvailable);
+        Assert.NotNull(lexer.Current);
+        Assert.IsType<BeginArrayToken>(lexer.Current);
+    }
+
+    [Fact]
+    public void TryGetNextToken_EndArrayDetected_ReturnsTrue()
+    {
+        var lexer = new JsonLexer("]");
+        var tokenAvailable = lexer.MoveNext();
+        Assert.True(tokenAvailable);
+        Assert.NotNull(lexer.Current);
+        Assert.IsType<EndArrayToken>(lexer.Current);
+    }
+
+    [Fact]
+    public void TryGetNextToken_BeginObjectDetected_ReturnsTrue()
+    {
+        var lexer = new JsonLexer("{");
+        var tokenAvailable = lexer.MoveNext();
+        Assert.True(tokenAvailable);
+        Assert.NotNull(lexer.Current);
+        Assert.IsType<BeginObjectToken>(lexer.Current);
+    }
+
+    [Fact]
+    public void TryGetNextToken_EndObjectDetected_ReturnsTrue()
+    {
+        var lexer = new JsonLexer("}");
+        var tokenAvailable = lexer.MoveNext();
+        Assert.True(tokenAvailable);
+        Assert.NotNull(lexer.Current);
+        Assert.IsType<EndObjectToken>(lexer.Current);
+    }
+}